From mirageos-devel-bounces@lists.xenproject.org Tue Feb 02 04:27:16 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 02 Feb 2016 04:27:16 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aQSYV-0007z1-TZ; Tue, 02 Feb 2016 04:27:07 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aQSYU-0007yw-M8 for mirageos-devel@lists.xenproject.org; Tue, 02 Feb 2016 04:27:06 +0000 Received: from [85.158.143.35] by server-2.bemta-4.messagelabs.com id A3/B7-08977-A1030B65; Tue, 02 Feb 2016 04:27:06 +0000 X-Env-Sender: cosmokramer@gmail.com X-Msg-Ref: server-3.tower-21.messagelabs.com!1454387223!12978889!1 X-Originating-IP: [74.125.82.51] X-SpamReason: No, hits=1.4 required=7.0 tests=BODY_RANDOM_LONG, HTML_40_50,HTML_MESSAGE,RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 33909 invoked from network); 2 Feb 2016 04:27:04 -0000 Received: from mail-wm0-f51.google.com (HELO mail-wm0-f51.google.com) (74.125.82.51) by server-3.tower-21.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 2 Feb 2016 04:27:04 -0000 Received: by mail-wm0-f51.google.com with SMTP id l66so4409051wml.0 for ; Mon, 01 Feb 2016 20:27:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=IFo/2NzB+vQSgUunS9NGCoIHm5n0kj914LgvIeqELhc=; b=naUevSYfh6ECOShPPM0oe4O9KVPPaoFjAnZ3sSihzq7moOGmMbZAwYT+JnDN+U9j6k 36OISvQJkbOijVKiGgD+v7N8VI7sBwGG0OA/voStcrqiALaGfu+t23JiVYZk2iqhMSG4 vhgQb9YkjP35NofSt03XhJXLdjyYtC86YX+ZFJKVZaqA6KwMQJE0dLhQfMWjM1IrlLU9 DiH5rMfS38Fc/cPe8/c4d91+hhXHph4BoNbLSEjNX6e28yl2TTyKo39TYjJddQZmDQCC NPc8tHu811BxADyYWkg4cmHWrXnl8eeH0c42HTJivWPL9RWpiLZPnh87G1K2LodowjvA qk+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=IFo/2NzB+vQSgUunS9NGCoIHm5n0kj914LgvIeqELhc=; b=TT+LbKwllfICIp7Puzj+QZercYyqlhV708rXutkrDlaaq0f+Nglrl93dXCxRyrCWvj azM9Nk5WYynmcoJShOdvKO1hAXJJXYAbyhsxfuDrTrGxhQ08/bB8w4ayxblWNitbsYaf ZWqn4tz5nFZOWaYYeL7xz31YnpanQPYR+1l31bQAiOQJEHpJaYH27vN4LWo7Lv6MzXuG Wnj/SUxSqmBhLjXD+IAXuMweUWiQV+wqB4iGERo/JKbEyFC37MSc2UY4xU+toZynZxk6 zfyLRiaXa0hSBvSURNM0WViz1q7FmQO7vB7FtU78VZI4BMCQFpVF7CfAsRGMziILWpbT iQMg== X-Gm-Message-State: AG10YOShgTFqI0zWMtHiP/mZUaBnJDPfMFG/CRjotcioxQzbmCX8qKCgnXD12uA013IF1K6FfLWYoIwVw9/g0w== MIME-Version: 1.0 X-Received: by 10.28.150.72 with SMTP id y69mr14475144wmd.17.1454387223791; Mon, 01 Feb 2016 20:27:03 -0800 (PST) Received: by 10.194.82.195 with HTTP; Mon, 1 Feb 2016 20:27:03 -0800 (PST) In-Reply-To: References: Date: Mon, 1 Feb 2016 20:27:03 -0800 Message-ID: From: Madhuri Yechuri To: Thomas Leonard Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] request for beginner project suggestion X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4497432347966942472==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============4497432347966942472== Content-Type: multipart/alternative; boundary=001a114b384ed710b7052ac1e96b --001a114b384ed710b7052ac1e96b Content-Type: text/plain; charset=UTF-8 Thanks a lot for below information on available + possible testing options! Will explore Dave Scott's branch once i get mirage-skeleton working. Thanks! madhuri. ______ There are no automated tests. Running mirage-skeleton would let you check if it was working. Dave Scott made a branch that allowed mirage-net-xen to run on Unix (by making the Xen stuff abstract), which allowed running unit-tests easily. I think it needs a bit of work to rebase it on master, though: https://github.com/djs55/mirage-net-xen/commits/refactor-modules https://github.com/djs55/mirage -net-xen/blob/refactor-modules/lib_test/test.ml (many of the changes on this branch have already been merged) Some proper integration tests that spin up multiple Xen VMs would be great too. I know this has been discussed a few times, but I'm not sure what the status is. On Fri, Jan 29, 2016 at 7:59 AM, Thomas Leonard wrote: > On 28 January 2016 at 05:58, Madhuri Yechuri > wrote: > > Great, thanks for the quick response! i assume below advice still holds > > true, in that case. > > Yes. > > > ______ > > You could start by cloning the mirage-skeleton repository and making a > > new example based on "console" that uses logging rather than printing. > > > > For modifying libraries, you'll need to know how to "opam pin" a > > modified package for testing. There's some useful information here: > > > > > https://www.somerandomidiot.com/blog/2015/11/26/quick-changes-in-mirageos/ > > > > (however, I find it easier to look in the Makefile to find the > > dependencies, rather than reading the source of the mirage tool, and > > make sure you do "opam pin -k git" to pin in "mixed mode", or you'll > > have endless trouble with stale OASIS files) > > ______ > > > > i can start with > > > https://github.com/mirage/mirage-net-xen/blob/995bcf518b7c8e41e7db79050948bb7ecc1046b2/lib/frontend.ml#L106 > > , as listed in the Pioneer Projects page. > > > > Is there a recommended regression test set? i looked around > > https://mirage.io/wiki/contributing, but couldn't find any pointers. > > There are no automated tests. Running mirage-skeleton would let you > check if it was working. > > Dave Scott made a branch that allowed mirage-net-xen to run on Unix > (by making the Xen stuff abstract), which allowed running unit-tests > easily. I think it needs a bit of work to rebase it on master, though: > > https://github.com/djs55/mirage-net-xen/commits/refactor-modules > > https://github.com/djs55/mirage-net-xen/blob/refactor-modules/lib_test/test.ml > > (many of the changes on this branch have already been merged) > > Some proper integration tests that spin up multiple Xen VMs would be > great too. I know this has been discussed a few times, but I'm not > sure what the status is. > > > Thanks a lot! > > madhuri. > > > > On Wed, Jan 27, 2016 at 8:40 AM, Thomas Leonard > wrote: > >> > >> On 27 January 2016 at 16:28, Madhuri Yechuri > >> wrote: > >> > Hi, > >> > > >> > i am interested in contributing to MirageOS (during non-work hours), > and > >> > wondering if there is a beginner project recommendation? This would be > >> > my > >> > first project in OCAML (have 15 years industry coding experience in C > >> > (Oracle Database Server, VMware ESX) and C++ (VMware vCenter), and > >> > recent 9 > >> > months in Python (Flocker)). > >> > > >> > Looking through > >> > https://github.com/mirage/mirage-www/wiki/Pioneer-Projects , > >> > i understand Logging is taken from recent emails on this mailing list. > >> > Is > >> > there is any other beginner-friendly project that i could take up? > >> > > >> > Thanks a lot! > >> > madhuri. > >> > >> Hi Madhuri, > >> > >> There are lots of libraries that need improved logging, so as long as > >> people say which ones they're working on there should be no problem - > >> it would be great if you want to work on that! > >> > >> > >> -- > >> Dr Thomas Leonard http://roscidus.com/blog/ > >> GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > > > > > > > > -- > Dr Thomas Leonard http://roscidus.com/blog/ > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > --001a114b384ed710b7052ac1e96b Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Thanks a lot for bel= ow information on available + possible testing options! Will explore Dave S= cott's branch once i get mirage-skeleton working.

Thanks!
madhuri.=
______
=
There are no automated tests. Running=C2=A0mirage<= span style=3D"font-size:12.8px">-skeleton would let you
check if it was working.=

Dave Scott made a branch that allowed=C2=A0mirage-net-xen to run on Unix<= /span>
(by m= aking the Xen stuff abstract), which allowed running unit-tests
easily. I think = it needs a bit of work to rebase it on master, though:

https://github.com/djs55/mirage-net-xen/commits/refactor-modules
https://github.com/djs55/mirage-ne= t-xen/blob/refactor-modules/lib_test/test.ml

(many o= f the changes on this branch have already been merged)

Some proper integration tests that spin up multiple Xen VMs would be<= /span>
great= too. I know this has been discussed a few times, but I'm notsure what the = status is.

On Fri, Jan 29, 2016 at 7:59 AM, Thomas Leonard <talex5@gmail.com= > wrote:
O= n 28 January 2016 at 05:58, Madhuri Yechuri <cosmokramer@gmail.com> wrote:
> Great, thanks for the quick response! i assume below advice still hold= s
> true, in that case.

Yes.

> ______
> You could start by cloning the mirage-skeleton repository and making a=
> new example based on "console" that uses logging rather than= printing.
>
> For modifying libraries, you'll need to know how to "opam pin= " a
> modified package for testing. There's some useful information here= :
>
> https://www.somerando= midiot.com/blog/2015/11/26/quick-changes-in-mirageos/
>
> (however, I find it easier to look in the Makefile to find the
> dependencies, rather than reading the source of the mirage tool, and > make sure you do "opam pin -k git" to pin in "mixed mod= e", or you'll
> have endless trouble with stale OASIS files)
> ______
>
> i can start with
> https://github.com/mirage/mirage-net-xen/blob/995bcf518b7c8e41e= 7db79050948bb7ecc1046b2/lib/frontend.ml#L106
> , as listed in the Pioneer Projects page.
>
> Is there a recommended regression test set? i looked around
> https://mirage.io/wiki/contributing, but couldn't fi= nd any pointers.

There are no automated tests. Running mirage-skeleton would let you<= br> check if it was working.

Dave Scott made a branch that allowed mirage-net-xen to run on Unix
(by making the Xen stuff abstract), which allowed running unit-tests
easily. I think it needs a bit of work to rebase it on master, though:

https://github.com/djs55/mirage-net-= xen/commits/refactor-modules
https://github.com/djs= 55/mirage-net-xen/blob/refactor-modules/lib_test/test.ml

(many of the changes on this branch have already been merged)

Some proper integration tests that spin up multiple Xen VMs would be
great too. I know this has been discussed a few times, but I'm not
sure what the status is.

> Thanks a lot!
> madhuri.
>
> On Wed, Jan 27, 2016 at 8:40 AM, Thomas Leonard <talex5@gmail.com> wrote:
>>
>> On 27 January 2016 at 16:28, Madhuri Yechuri <cosmokramer@gmail.com>
>> wrote:
>> > Hi,
>> >
>> > i am interested in contributing to MirageOS (during non-work = hours), and
>> > wondering if there is a beginner project recommendation? This= would be
>> > my
>> > first project in OCAML (have 15 years industry coding experie= nce in C
>> > (Oracle Database Server, VMware ESX) and C++ (VMware vCenter)= , and
>> > recent 9
>> > months in Python (Flocker)).
>> >
>> > Looking through
>> > https://github.com/mirage/mi= rage-www/wiki/Pioneer-Projects ,
>> > i understand Logging is taken from recent emails on this mail= ing list.
>> > Is
>> > there is any other beginner-friendly project that i could tak= e up?
>> >
>> > Thanks a lot!
>> > madhuri.
>>
>> Hi Madhuri,
>>
>> There are lots of libraries that need improved logging, so as long= as
>> people say which ones they're working on there should be no pr= oblem -
>> it would be great if you want to work on that!
>>
>>
>> --
>> Dr Thomas Leonard=C2=A0 =C2=A0 =C2=A0 =C2=A0 http://roscidus.com/b= log/
>> GPG: DA98 25AE CAD0 8975 7CDA=C2=A0 BD8E 0713 3F96 CA74 D8BA
>
>



--
Dr Thomas Leonard=C2=A0 =C2=A0 =C2=A0 =C2=A0 http://roscidus.com/blog/<= br> GPG: DA98 25AE CAD0 8975 7CDA=C2=A0 BD8E 0713 3F96 CA74 D8BA

--001a114b384ed710b7052ac1e96b-- --===============4497432347966942472== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============4497432347966942472==-- From mirageos-devel-bounces@lists.xenproject.org Tue Feb 02 04:27:16 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 02 Feb 2016 04:27:16 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aQSYV-0007z1-TZ; Tue, 02 Feb 2016 04:27:07 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aQSYU-0007yw-M8 for mirageos-devel@lists.xenproject.org; Tue, 02 Feb 2016 04:27:06 +0000 Received: from [85.158.143.35] by server-2.bemta-4.messagelabs.com id A3/B7-08977-A1030B65; Tue, 02 Feb 2016 04:27:06 +0000 X-Env-Sender: cosmokramer@gmail.com X-Msg-Ref: server-3.tower-21.messagelabs.com!1454387223!12978889!1 X-Originating-IP: [74.125.82.51] X-SpamReason: No, hits=1.4 required=7.0 tests=BODY_RANDOM_LONG, HTML_40_50,HTML_MESSAGE,RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 33909 invoked from network); 2 Feb 2016 04:27:04 -0000 Received: from mail-wm0-f51.google.com (HELO mail-wm0-f51.google.com) (74.125.82.51) by server-3.tower-21.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 2 Feb 2016 04:27:04 -0000 Received: by mail-wm0-f51.google.com with SMTP id l66so4409051wml.0 for ; Mon, 01 Feb 2016 20:27:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=IFo/2NzB+vQSgUunS9NGCoIHm5n0kj914LgvIeqELhc=; b=naUevSYfh6ECOShPPM0oe4O9KVPPaoFjAnZ3sSihzq7moOGmMbZAwYT+JnDN+U9j6k 36OISvQJkbOijVKiGgD+v7N8VI7sBwGG0OA/voStcrqiALaGfu+t23JiVYZk2iqhMSG4 vhgQb9YkjP35NofSt03XhJXLdjyYtC86YX+ZFJKVZaqA6KwMQJE0dLhQfMWjM1IrlLU9 DiH5rMfS38Fc/cPe8/c4d91+hhXHph4BoNbLSEjNX6e28yl2TTyKo39TYjJddQZmDQCC NPc8tHu811BxADyYWkg4cmHWrXnl8eeH0c42HTJivWPL9RWpiLZPnh87G1K2LodowjvA qk+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=IFo/2NzB+vQSgUunS9NGCoIHm5n0kj914LgvIeqELhc=; b=TT+LbKwllfICIp7Puzj+QZercYyqlhV708rXutkrDlaaq0f+Nglrl93dXCxRyrCWvj azM9Nk5WYynmcoJShOdvKO1hAXJJXYAbyhsxfuDrTrGxhQ08/bB8w4ayxblWNitbsYaf ZWqn4tz5nFZOWaYYeL7xz31YnpanQPYR+1l31bQAiOQJEHpJaYH27vN4LWo7Lv6MzXuG Wnj/SUxSqmBhLjXD+IAXuMweUWiQV+wqB4iGERo/JKbEyFC37MSc2UY4xU+toZynZxk6 zfyLRiaXa0hSBvSURNM0WViz1q7FmQO7vB7FtU78VZI4BMCQFpVF7CfAsRGMziILWpbT iQMg== X-Gm-Message-State: AG10YOShgTFqI0zWMtHiP/mZUaBnJDPfMFG/CRjotcioxQzbmCX8qKCgnXD12uA013IF1K6FfLWYoIwVw9/g0w== MIME-Version: 1.0 X-Received: by 10.28.150.72 with SMTP id y69mr14475144wmd.17.1454387223791; Mon, 01 Feb 2016 20:27:03 -0800 (PST) Received: by 10.194.82.195 with HTTP; Mon, 1 Feb 2016 20:27:03 -0800 (PST) In-Reply-To: References: Date: Mon, 1 Feb 2016 20:27:03 -0800 Message-ID: From: Madhuri Yechuri To: Thomas Leonard Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] request for beginner project suggestion X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4497432347966942472==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============4497432347966942472== Content-Type: multipart/alternative; boundary=001a114b384ed710b7052ac1e96b --001a114b384ed710b7052ac1e96b Content-Type: text/plain; charset=UTF-8 Thanks a lot for below information on available + possible testing options! Will explore Dave Scott's branch once i get mirage-skeleton working. Thanks! madhuri. ______ There are no automated tests. Running mirage-skeleton would let you check if it was working. Dave Scott made a branch that allowed mirage-net-xen to run on Unix (by making the Xen stuff abstract), which allowed running unit-tests easily. I think it needs a bit of work to rebase it on master, though: https://github.com/djs55/mirage-net-xen/commits/refactor-modules https://github.com/djs55/mirage -net-xen/blob/refactor-modules/lib_test/test.ml (many of the changes on this branch have already been merged) Some proper integration tests that spin up multiple Xen VMs would be great too. I know this has been discussed a few times, but I'm not sure what the status is. On Fri, Jan 29, 2016 at 7:59 AM, Thomas Leonard wrote: > On 28 January 2016 at 05:58, Madhuri Yechuri > wrote: > > Great, thanks for the quick response! i assume below advice still holds > > true, in that case. > > Yes. > > > ______ > > You could start by cloning the mirage-skeleton repository and making a > > new example based on "console" that uses logging rather than printing. > > > > For modifying libraries, you'll need to know how to "opam pin" a > > modified package for testing. There's some useful information here: > > > > > https://www.somerandomidiot.com/blog/2015/11/26/quick-changes-in-mirageos/ > > > > (however, I find it easier to look in the Makefile to find the > > dependencies, rather than reading the source of the mirage tool, and > > make sure you do "opam pin -k git" to pin in "mixed mode", or you'll > > have endless trouble with stale OASIS files) > > ______ > > > > i can start with > > > https://github.com/mirage/mirage-net-xen/blob/995bcf518b7c8e41e7db79050948bb7ecc1046b2/lib/frontend.ml#L106 > > , as listed in the Pioneer Projects page. > > > > Is there a recommended regression test set? i looked around > > https://mirage.io/wiki/contributing, but couldn't find any pointers. > > There are no automated tests. Running mirage-skeleton would let you > check if it was working. > > Dave Scott made a branch that allowed mirage-net-xen to run on Unix > (by making the Xen stuff abstract), which allowed running unit-tests > easily. I think it needs a bit of work to rebase it on master, though: > > https://github.com/djs55/mirage-net-xen/commits/refactor-modules > > https://github.com/djs55/mirage-net-xen/blob/refactor-modules/lib_test/test.ml > > (many of the changes on this branch have already been merged) > > Some proper integration tests that spin up multiple Xen VMs would be > great too. I know this has been discussed a few times, but I'm not > sure what the status is. > > > Thanks a lot! > > madhuri. > > > > On Wed, Jan 27, 2016 at 8:40 AM, Thomas Leonard > wrote: > >> > >> On 27 January 2016 at 16:28, Madhuri Yechuri > >> wrote: > >> > Hi, > >> > > >> > i am interested in contributing to MirageOS (during non-work hours), > and > >> > wondering if there is a beginner project recommendation? This would be > >> > my > >> > first project in OCAML (have 15 years industry coding experience in C > >> > (Oracle Database Server, VMware ESX) and C++ (VMware vCenter), and > >> > recent 9 > >> > months in Python (Flocker)). > >> > > >> > Looking through > >> > https://github.com/mirage/mirage-www/wiki/Pioneer-Projects , > >> > i understand Logging is taken from recent emails on this mailing list. > >> > Is > >> > there is any other beginner-friendly project that i could take up? > >> > > >> > Thanks a lot! > >> > madhuri. > >> > >> Hi Madhuri, > >> > >> There are lots of libraries that need improved logging, so as long as > >> people say which ones they're working on there should be no problem - > >> it would be great if you want to work on that! > >> > >> > >> -- > >> Dr Thomas Leonard http://roscidus.com/blog/ > >> GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > > > > > > > > -- > Dr Thomas Leonard http://roscidus.com/blog/ > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > --001a114b384ed710b7052ac1e96b Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Thanks a lot for bel= ow information on available + possible testing options! Will explore Dave S= cott's branch once i get mirage-skeleton working.

Thanks!
madhuri.=
______
=
There are no automated tests. Running=C2=A0mirage<= span style=3D"font-size:12.8px">-skeleton would let you
check if it was working.=

Dave Scott made a branch that allowed=C2=A0mirage-net-xen to run on Unix<= /span>
(by m= aking the Xen stuff abstract), which allowed running unit-tests
easily. I think = it needs a bit of work to rebase it on master, though:

https://github.com/djs55/mirage-net-xen/commits/refactor-modules
https://github.com/djs55/mirage-ne= t-xen/blob/refactor-modules/lib_test/test.ml

(many o= f the changes on this branch have already been merged)

Some proper integration tests that spin up multiple Xen VMs would be<= /span>
great= too. I know this has been discussed a few times, but I'm notsure what the = status is.

On Fri, Jan 29, 2016 at 7:59 AM, Thomas Leonard <talex5@gmail.com= > wrote:
O= n 28 January 2016 at 05:58, Madhuri Yechuri <cosmokramer@gmail.com> wrote:
> Great, thanks for the quick response! i assume below advice still hold= s
> true, in that case.

Yes.

> ______
> You could start by cloning the mirage-skeleton repository and making a=
> new example based on "console" that uses logging rather than= printing.
>
> For modifying libraries, you'll need to know how to "opam pin= " a
> modified package for testing. There's some useful information here= :
>
> https://www.somerando= midiot.com/blog/2015/11/26/quick-changes-in-mirageos/
>
> (however, I find it easier to look in the Makefile to find the
> dependencies, rather than reading the source of the mirage tool, and > make sure you do "opam pin -k git" to pin in "mixed mod= e", or you'll
> have endless trouble with stale OASIS files)
> ______
>
> i can start with
> https://github.com/mirage/mirage-net-xen/blob/995bcf518b7c8e41e= 7db79050948bb7ecc1046b2/lib/frontend.ml#L106
> , as listed in the Pioneer Projects page.
>
> Is there a recommended regression test set? i looked around
> https://mirage.io/wiki/contributing, but couldn't fi= nd any pointers.

There are no automated tests. Running mirage-skeleton would let you<= br> check if it was working.

Dave Scott made a branch that allowed mirage-net-xen to run on Unix
(by making the Xen stuff abstract), which allowed running unit-tests
easily. I think it needs a bit of work to rebase it on master, though:

https://github.com/djs55/mirage-net-= xen/commits/refactor-modules
https://github.com/djs= 55/mirage-net-xen/blob/refactor-modules/lib_test/test.ml

(many of the changes on this branch have already been merged)

Some proper integration tests that spin up multiple Xen VMs would be
great too. I know this has been discussed a few times, but I'm not
sure what the status is.

> Thanks a lot!
> madhuri.
>
> On Wed, Jan 27, 2016 at 8:40 AM, Thomas Leonard <talex5@gmail.com> wrote:
>>
>> On 27 January 2016 at 16:28, Madhuri Yechuri <cosmokramer@gmail.com>
>> wrote:
>> > Hi,
>> >
>> > i am interested in contributing to MirageOS (during non-work = hours), and
>> > wondering if there is a beginner project recommendation? This= would be
>> > my
>> > first project in OCAML (have 15 years industry coding experie= nce in C
>> > (Oracle Database Server, VMware ESX) and C++ (VMware vCenter)= , and
>> > recent 9
>> > months in Python (Flocker)).
>> >
>> > Looking through
>> > https://github.com/mirage/mi= rage-www/wiki/Pioneer-Projects ,
>> > i understand Logging is taken from recent emails on this mail= ing list.
>> > Is
>> > there is any other beginner-friendly project that i could tak= e up?
>> >
>> > Thanks a lot!
>> > madhuri.
>>
>> Hi Madhuri,
>>
>> There are lots of libraries that need improved logging, so as long= as
>> people say which ones they're working on there should be no pr= oblem -
>> it would be great if you want to work on that!
>>
>>
>> --
>> Dr Thomas Leonard=C2=A0 =C2=A0 =C2=A0 =C2=A0 http://roscidus.com/b= log/
>> GPG: DA98 25AE CAD0 8975 7CDA=C2=A0 BD8E 0713 3F96 CA74 D8BA
>
>



--
Dr Thomas Leonard=C2=A0 =C2=A0 =C2=A0 =C2=A0 http://roscidus.com/blog/<= br> GPG: DA98 25AE CAD0 8975 7CDA=C2=A0 BD8E 0713 3F96 CA74 D8BA

--001a114b384ed710b7052ac1e96b-- --===============4497432347966942472== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============4497432347966942472==-- From mirageos-devel-bounces@lists.xenproject.org Tue Feb 02 22:59:57 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 02 Feb 2016 22:59:57 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aQjvJ-0005Cj-OL; Tue, 02 Feb 2016 22:59:49 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aQjvI-0005Ce-Rn for mirageos-devel@lists.xenproject.org; Tue, 02 Feb 2016 22:59:49 +0000 Received: from [85.158.139.211] by server-4.bemta-5.messagelabs.com id 5A/11-12635-4E431B65; Tue, 02 Feb 2016 22:59:48 +0000 X-Env-Sender: sadieperkins@riseup.net X-Msg-Ref: server-15.tower-206.messagelabs.com!1454453985!11489684!1 X-Originating-IP: [198.252.153.129] X-SpamReason: No, hits=0.0 required=7.0 tests=UNPARSEABLE_RELAY X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 40270 invoked from network); 2 Feb 2016 22:59:47 -0000 Received: from mx1.riseup.net (HELO mx1.riseup.net) (198.252.153.129) by server-15.tower-206.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 2 Feb 2016 22:59:47 -0000 Received: from piha.riseup.net (unknown [10.0.1.163]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (Client CN "*.riseup.net", Issuer "COMODO RSA Domain Validation Secure Server CA" (verified OK)) by mx1.riseup.net (Postfix) with ESMTPS id 3EE3C1A0525 for ; Tue, 2 Feb 2016 22:59:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=riseup.net; s=squak; t=1454453985; bh=/OkBpDBj+S86tXJdAiRxJO15nI3T6MZuiy4hrxbTcAI=; h=Date:From:To:Subject:From; b=fM8fxgXYFdm5lG6QOgM/1iTlBAGZySb3fR2ihMTurMbtzBVHt2KPtcM4/VxLBSEsC oYh8Bi1ErcWIy/HMXOXJgFAjy+vYlXLYKAZWf+JXRvH5R38at8mqVzGrhrpWLctZHw AuBMtAzOVmt3rUu0GVbsb0NCujU9yM1N+OxIB6X4= Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: sadieperkins) with ESMTPSA id 088E61C01F2 Date: Tue, 2 Feb 2016 22:59:43 +0000 From: Kia To: mirageos-devel@lists.xenproject.org Message-ID: <20160202225943.GE66152@localhost> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) X-Virus-Scanned: clamav-milter 0.98.7 at mx1.riseup.net X-Virus-Status: Clean Subject: [MirageOS-devel] NTP implementation for mirageos X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi, I've been working on an NTP implementation for MirageOS. The repo is at https://github.com/matildah/mirage-ntp and my blog is https://matildah.github.io/. -- Kia _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Feb 02 22:59:57 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 02 Feb 2016 22:59:57 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aQjvJ-0005Cj-OL; Tue, 02 Feb 2016 22:59:49 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aQjvI-0005Ce-Rn for mirageos-devel@lists.xenproject.org; Tue, 02 Feb 2016 22:59:49 +0000 Received: from [85.158.139.211] by server-4.bemta-5.messagelabs.com id 5A/11-12635-4E431B65; Tue, 02 Feb 2016 22:59:48 +0000 X-Env-Sender: sadieperkins@riseup.net X-Msg-Ref: server-15.tower-206.messagelabs.com!1454453985!11489684!1 X-Originating-IP: [198.252.153.129] X-SpamReason: No, hits=0.0 required=7.0 tests=UNPARSEABLE_RELAY X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 40270 invoked from network); 2 Feb 2016 22:59:47 -0000 Received: from mx1.riseup.net (HELO mx1.riseup.net) (198.252.153.129) by server-15.tower-206.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 2 Feb 2016 22:59:47 -0000 Received: from piha.riseup.net (unknown [10.0.1.163]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (Client CN "*.riseup.net", Issuer "COMODO RSA Domain Validation Secure Server CA" (verified OK)) by mx1.riseup.net (Postfix) with ESMTPS id 3EE3C1A0525 for ; Tue, 2 Feb 2016 22:59:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=riseup.net; s=squak; t=1454453985; bh=/OkBpDBj+S86tXJdAiRxJO15nI3T6MZuiy4hrxbTcAI=; h=Date:From:To:Subject:From; b=fM8fxgXYFdm5lG6QOgM/1iTlBAGZySb3fR2ihMTurMbtzBVHt2KPtcM4/VxLBSEsC oYh8Bi1ErcWIy/HMXOXJgFAjy+vYlXLYKAZWf+JXRvH5R38at8mqVzGrhrpWLctZHw AuBMtAzOVmt3rUu0GVbsb0NCujU9yM1N+OxIB6X4= Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: sadieperkins) with ESMTPSA id 088E61C01F2 Date: Tue, 2 Feb 2016 22:59:43 +0000 From: Kia To: mirageos-devel@lists.xenproject.org Message-ID: <20160202225943.GE66152@localhost> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) X-Virus-Scanned: clamav-milter 0.98.7 at mx1.riseup.net X-Virus-Status: Clean Subject: [MirageOS-devel] NTP implementation for mirageos X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi, I've been working on an NTP implementation for MirageOS. The repo is at https://github.com/matildah/mirage-ntp and my blog is https://matildah.github.io/. -- Kia _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Feb 02 23:15:27 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 02 Feb 2016 23:15:27 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aQkAP-0005e6-Ee; Tue, 02 Feb 2016 23:15:25 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aQkAO-0005e1-2L for mirageos-devel@lists.xenproject.org; Tue, 02 Feb 2016 23:15:24 +0000 Received: from [85.158.139.211] by server-2.bemta-5.messagelabs.com id 05/C9-21594-B8831B65; Tue, 02 Feb 2016 23:15:23 +0000 X-Env-Sender: richard.mortier@gmail.com X-Msg-Ref: server-12.tower-206.messagelabs.com!1454454922!19888434!1 X-Originating-IP: [74.125.82.53] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 37289 invoked from network); 2 Feb 2016 23:15:22 -0000 Received: from mail-wm0-f53.google.com (HELO mail-wm0-f53.google.com) (74.125.82.53) by server-12.tower-206.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 2 Feb 2016 23:15:22 -0000 Received: by mail-wm0-f53.google.com with SMTP id p63so45663468wmp.1 for ; Tue, 02 Feb 2016 15:15:22 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=OuAXt8EqqPFTAZaLLxxahMUVmxPpFJ7vKJ5l6edzfOI=; b=KnVaVys7ShLyZcYdj/vUQYZgcWONljWpbHgj4PHIa/j+GtSSs5dOAxOL2TLCZCDhm3 ccGu45lA9LcwiF7G5vu2PBrpE7CA086WdkGB/uFERCL7g9PmXH36KwdrFqazRmPw3xfq UXDz49dMWR79p7P4hxEZr6yldpfDS7Mxa/rvPr2Fu4cX9fUdCtn5QOQxo1kvVLCgUqXH xKylyoSdtsT4Td8rwI4vDTie5XxYqTvWGRt/x8WzVkhp6lCJBxODml/d7/nB2Rsv1ugN qrjIBDRFuwhQwU7m0mkuomQRvLgwz2YMGS4VZLZnLeePZur4pv9fyCYhe4Eoi2PmSe/Y ahLw== X-Gm-Message-State: AG10YOSUU++FqbO+0Ro3Rpk4hLBhzwDUDg12fuSEJEVM7A+WNBkcsDZjtdeMAbG1XOwP3g== X-Received: by 10.28.87.135 with SMTP id l129mr223067wmb.9.1454454922335; Tue, 02 Feb 2016 15:15:22 -0800 (PST) Received: from mail-wm0-f51.google.com (mail-wm0-f51.google.com. [74.125.82.51]) by smtp.gmail.com with ESMTPSA id kw1sm3609380wjb.12.2016.02.02.15.15.21 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 02 Feb 2016 15:15:22 -0800 (PST) Received: by mail-wm0-f51.google.com with SMTP id r129so140656208wmr.0 for ; Tue, 02 Feb 2016 15:15:21 -0800 (PST) MIME-Version: 1.0 X-Received: by 10.28.65.193 with SMTP id o184mr19730288wma.15.1454454921006; Tue, 02 Feb 2016 15:15:21 -0800 (PST) Received: by 10.28.46.193 with HTTP; Tue, 2 Feb 2016 15:15:20 -0800 (PST) In-Reply-To: <20160202225943.GE66152@localhost> References: <20160202225943.GE66152@localhost> Date: Tue, 2 Feb 2016 23:15:20 +0000 X-Gmail-Original-Message-ID: Message-ID: From: Richard Mortier To: Kia Cc: mirageos-devel Subject: Re: [MirageOS-devel] NTP implementation for mirageos X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 2 February 2016 at 22:59, Kia wrote: > Hi, I've been working on an NTP implementation for MirageOS. The repo is at > https://github.com/matildah/mirage-ntp and my blog is https://matildah.github.io/. Cool! Look forward to seeing it progress, and to reading more blog posts. (I enjoyed the "Leap Seconds (considered harmful)" one just now :) -- Richard Mortier richard.mortier@cl.cam.ac.uk _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Feb 02 23:15:27 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 02 Feb 2016 23:15:27 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aQkAP-0005e6-Ee; Tue, 02 Feb 2016 23:15:25 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aQkAO-0005e1-2L for mirageos-devel@lists.xenproject.org; Tue, 02 Feb 2016 23:15:24 +0000 Received: from [85.158.139.211] by server-2.bemta-5.messagelabs.com id 05/C9-21594-B8831B65; Tue, 02 Feb 2016 23:15:23 +0000 X-Env-Sender: richard.mortier@gmail.com X-Msg-Ref: server-12.tower-206.messagelabs.com!1454454922!19888434!1 X-Originating-IP: [74.125.82.53] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 37289 invoked from network); 2 Feb 2016 23:15:22 -0000 Received: from mail-wm0-f53.google.com (HELO mail-wm0-f53.google.com) (74.125.82.53) by server-12.tower-206.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 2 Feb 2016 23:15:22 -0000 Received: by mail-wm0-f53.google.com with SMTP id p63so45663468wmp.1 for ; Tue, 02 Feb 2016 15:15:22 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=OuAXt8EqqPFTAZaLLxxahMUVmxPpFJ7vKJ5l6edzfOI=; b=KnVaVys7ShLyZcYdj/vUQYZgcWONljWpbHgj4PHIa/j+GtSSs5dOAxOL2TLCZCDhm3 ccGu45lA9LcwiF7G5vu2PBrpE7CA086WdkGB/uFERCL7g9PmXH36KwdrFqazRmPw3xfq UXDz49dMWR79p7P4hxEZr6yldpfDS7Mxa/rvPr2Fu4cX9fUdCtn5QOQxo1kvVLCgUqXH xKylyoSdtsT4Td8rwI4vDTie5XxYqTvWGRt/x8WzVkhp6lCJBxODml/d7/nB2Rsv1ugN qrjIBDRFuwhQwU7m0mkuomQRvLgwz2YMGS4VZLZnLeePZur4pv9fyCYhe4Eoi2PmSe/Y ahLw== X-Gm-Message-State: AG10YOSUU++FqbO+0Ro3Rpk4hLBhzwDUDg12fuSEJEVM7A+WNBkcsDZjtdeMAbG1XOwP3g== X-Received: by 10.28.87.135 with SMTP id l129mr223067wmb.9.1454454922335; Tue, 02 Feb 2016 15:15:22 -0800 (PST) Received: from mail-wm0-f51.google.com (mail-wm0-f51.google.com. [74.125.82.51]) by smtp.gmail.com with ESMTPSA id kw1sm3609380wjb.12.2016.02.02.15.15.21 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 02 Feb 2016 15:15:22 -0800 (PST) Received: by mail-wm0-f51.google.com with SMTP id r129so140656208wmr.0 for ; Tue, 02 Feb 2016 15:15:21 -0800 (PST) MIME-Version: 1.0 X-Received: by 10.28.65.193 with SMTP id o184mr19730288wma.15.1454454921006; Tue, 02 Feb 2016 15:15:21 -0800 (PST) Received: by 10.28.46.193 with HTTP; Tue, 2 Feb 2016 15:15:20 -0800 (PST) In-Reply-To: <20160202225943.GE66152@localhost> References: <20160202225943.GE66152@localhost> Date: Tue, 2 Feb 2016 23:15:20 +0000 X-Gmail-Original-Message-ID: Message-ID: From: Richard Mortier To: Kia Cc: mirageos-devel Subject: Re: [MirageOS-devel] NTP implementation for mirageos X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 2 February 2016 at 22:59, Kia wrote: > Hi, I've been working on an NTP implementation for MirageOS. The repo is at > https://github.com/matildah/mirage-ntp and my blog is https://matildah.github.io/. Cool! Look forward to seeing it progress, and to reading more blog posts. (I enjoyed the "Leap Seconds (considered harmful)" one just now :) -- Richard Mortier richard.mortier@cl.cam.ac.uk _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Feb 03 00:24:27 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 03 Feb 2016 00:24:27 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aQlF8-0008N5-9f; Wed, 03 Feb 2016 00:24:22 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aQlF7-0008Mz-Dk for mirageos-devel@lists.xenproject.org; Wed, 03 Feb 2016 00:24:21 +0000 Received: from [85.158.139.211] by server-5.bemta-5.messagelabs.com id 17/C1-03225-4B841B65; Wed, 03 Feb 2016 00:24:20 +0000 X-Env-Sender: daniel.buenzli@erratique.ch X-Msg-Ref: server-10.tower-206.messagelabs.com!1454459059!19866571!1 X-Originating-IP: [74.55.86.74] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNzQuNTUuODYuNzQgPT4gMzA4NTYz\n X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 58950 invoked from network); 3 Feb 2016 00:24:20 -0000 Received: from mail6.webfaction.com (HELO smtp.webfaction.com) (74.55.86.74) by server-10.tower-206.messagelabs.com with SMTP; 3 Feb 2016 00:24:20 -0000 Received: from [172.20.10.2] (178.228.197.178.dynamic.wless.zhbmb00p-cgnat.res.cust.swisscom.ch [178.197.228.178]) by smtp.webfaction.com (Postfix) with ESMTP id CF61F20B1531; Wed, 3 Feb 2016 00:24:18 +0000 (UTC) Date: Wed, 3 Feb 2016 01:24:15 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Kia Message-ID: <89B264F77D4746548C43AA2B9A73BCF3@erratique.ch> In-Reply-To: References: <20160202225943.GE66152@localhost> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Cc: mirageos-devel Subject: Re: [MirageOS-devel] NTP implementation for mirageos X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; 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Wed, 3 Feb 2016 00:24:18 +0000 (UTC) Date: Wed, 3 Feb 2016 01:24:15 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Kia Message-ID: <89B264F77D4746548C43AA2B9A73BCF3@erratique.ch> In-Reply-To: References: <20160202225943.GE66152@localhost> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Cc: mirageos-devel Subject: Re: [MirageOS-devel] NTP implementation for mirageos X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org SGVsbG8gS2lhLCAgCgoKTGUgbWVyY3JlZGksIDMgZsOpdnJpZXIgMjAxNiDDoCAwMDoxNSwgUmlj aGFyZCBNb3J0aWVyIGEgw6ljcml0IDoKCj4gIkxlYXAgU2Vjb25kcyAoY29uc2lkZXJlZCBoYXJt ZnVsKSIgb25lIGp1c3Qgbm93CgpJIGFsc28gcmVhZCB0aGF0LiBBcyB5b3Ugbm90aWNlIHlvdXJz ZWxmIGluIHRoZSBwb3N0IGxlYXAgc2Vjb25kcyBhcmUgcXVpdGUgdXNlZnVsIGZvciBodW1hbnMs IHNvIHRoZSB0aXRsZSBzb3VuZHMgYSBsaXR0bGUgYml0IHN0cmFuZ2UuCgpKdXN0IGEgZmV3IHJl bWFya3MgYWJvdXQgdGhlICJwcm92ZW4gYWx0ZXJuYXRpdmUiLiBTdHJpY3RseSBzcGVha2luZyB3 aGF0IHlvdSBuZWVkIGlzIG5vdCB0aGUgdGltZXpvbmUgZGF0YWJhc2UsIHlvdSBvbmx5IG5lZWQg VEFJICsgdGhlIGxlYXAgc2Vjb25kIHRhYmxlIFsxXSB0aGF0IHJlbGF0ZXMgVVRDIHRvIFRBSS4g VGltZXpvbmVzIGFyZSB5ZXQgYW5vdGhlciBjb25mdXNpbmcgYnVzaW5lc3MuCgpZb3UgYWxzbyBt ZW50aW9uIEdQUyBhcyBnaXZpbmcgeW91IFRBSSArIHRoZSBjdXJyZW50IG9mZnNldCB0byBVVEMg KGJhc2ljYWxseSB0aGUgbGFzdCBsaW5lIG9mIFsxXSkuIE5vdGUgdGhhdCB3aGlsZSB0aGlzIGlz IHN1ZmZpY2llbnQgZm9yIHJlbmRlcmluZyB0aGUgY3VycmVudCBVVEMgdGltZSBpdCBpcyBub3Qg ZW5vdWdoIHRvIGNvbnZlcnQgYXJiaXRyYXJ5IFRBSSB0aW1lc3RhbXAgdG8gVVRDIGFuZCB2aWNl LXZlcnNhIG9yIHRvIGNvbXB1dGUgdGhlIGR1cmF0aW9uIGluIFRBSSBzZWNvbmRzIGJldHdlZW4g dHdvIGFyYml0cmFyeSBVVEMgdGltZXN0YW1wcy4gSW4gYm90aCBjYXNlcyB5b3Ugc3RpbGwgbmVl ZCB0aGUgZnVsbCBsZWFwIHNlY29uZHMgdGFibGUgZm9yIHRoYXQuICAKClRoaXMgdGFibGUgbWF5 IGNoYW5nZSBldmVyeSA2IG1vbnRocyBhbmQgdXBkYXRpbmcgc29mdHdhcmUgc3lzdGVtcyBpcyBh bm5veWluZy4gU28gYSBnb29kIHRpbWUgcHJvdG9jb2wgd291bGQgbm90IG9ubHkgZ2l2ZSB5b3Ug VEFJICsgdGhlIGN1cnJlbnQgb2Zmc2V0IHRvIFVUQywgYnV0IGFsc28gYWxsb3cgeW91IHRvIHJl dHJpZXZlIHRoZSBmdWxsIGN1cnJlbnQgbGVhcCBzZWNvbmRzIHRhYmxlLgoKQmVzdCwgIAoKRGFu aWVsCgpbMV0gaHR0cDovL21haWEudXNuby5uYXZ5Lm1pbC9zZXI3L3RhaS11dGMuZGF0CgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1kZXZl bCBtYWlsaW5nIGxpc3QKTWlyYWdlT1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cDov L2xpc3RzLnhlbnByb2plY3Qub3JnL2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vvcy1k ZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Wed Feb 03 01:12:59 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 03 Feb 2016 01:12:59 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aQm07-0005bu-Eu; 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Wed, 03 Feb 2016 01:12:50 +0000 From: Amir Chaudhry Message-Id: <08CF9CB8-AA1F-46AA-88A8-8887CA1C5197@cam.ac.uk> Date: Tue, 2 Feb 2016 17:12:45 -0800 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) X-Mailer: Apple Mail (2.2104) Subject: [MirageOS-devel] MirageOS fortnightly call - Wednesday 3rd Feb at 4pm GMT X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org SGkgZm9sa3MsCgpUaGUgbmV4dCBNaXJhZ2VPUyBjYWxsIHdpbGwgdGFrZSBwbGFjZSBvbiBXZWRu ZXNkYXkgYWZ0ZXJub29uIGF0IDRwbSBHTVQgYW5kIGlzIG9wZW4gdG8gYWxsLgoKV2UnbGwgYmUg dXNpbmcgSml0c2kgYW5kIEnigJlsbCBwb3N0IHRoZSBsaW5rIHNob3J0bHkgYmVmb3JlIHRoZSBj YWxsLCBib3RoIGhlcmUgYW5kIGFsc28gaW4gdGhlIElSQyBjaGFubmVsICgjbWlyYWdlIG9uIGZy ZWVub2RlKSBbaGludDogaXTigJlsbCBiZSB0aGUgc2FtZSBhcyBsYXN0IHRpbWVdCgpUaGUgYWdl bmRhIGlzIGN1cnJlbnRseSBhcyBmb2xsb3dzOgoK4oCiIFF1YWxpdHkgYW5kIFRlc3QK4oCiIEZ1 bmN0b3JpYSBzdGF0dXMK4oCiIE91dHJlYWNoeSBzdGF0dXMK4oCiIE1pcmFnZU9TIEhhY2thdGhv biBzdGF0dXMKClBsZWFzZSBkbyBhZGQgaXRlbXMgdmlhIGh0dHBzOi8vZ2l0aHViLmNvbS9taXJh Z2UvbWlyYWdlLXd3dy93aWtpL0NhbGwtQWdlbmRhCgpKb2luIHVzIGF0IDRwbSBHTVQgb24gV2Vk bmVzZGF5IQoKQmVzdCB3aXNoZXMsCkFtaXIKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KTWlyYWdlT1MtZGV2ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRl dmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2kt YmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Wed Feb 03 01:12:59 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 03 Feb 2016 01:12:59 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aQm07-0005bu-Eu; 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Wed, 03 Feb 2016 01:12:50 +0000 From: Amir Chaudhry Message-Id: <08CF9CB8-AA1F-46AA-88A8-8887CA1C5197@cam.ac.uk> Date: Tue, 2 Feb 2016 17:12:45 -0800 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) X-Mailer: Apple Mail (2.2104) Subject: [MirageOS-devel] MirageOS fortnightly call - Wednesday 3rd Feb at 4pm GMT X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org SGkgZm9sa3MsCgpUaGUgbmV4dCBNaXJhZ2VPUyBjYWxsIHdpbGwgdGFrZSBwbGFjZSBvbiBXZWRu ZXNkYXkgYWZ0ZXJub29uIGF0IDRwbSBHTVQgYW5kIGlzIG9wZW4gdG8gYWxsLgoKV2UnbGwgYmUg dXNpbmcgSml0c2kgYW5kIEnigJlsbCBwb3N0IHRoZSBsaW5rIHNob3J0bHkgYmVmb3JlIHRoZSBj YWxsLCBib3RoIGhlcmUgYW5kIGFsc28gaW4gdGhlIElSQyBjaGFubmVsICgjbWlyYWdlIG9uIGZy ZWVub2RlKSBbaGludDogaXTigJlsbCBiZSB0aGUgc2FtZSBhcyBsYXN0IHRpbWVdCgpUaGUgYWdl bmRhIGlzIGN1cnJlbnRseSBhcyBmb2xsb3dzOgoK4oCiIFF1YWxpdHkgYW5kIFRlc3QK4oCiIEZ1 bmN0b3JpYSBzdGF0dXMK4oCiIE91dHJlYWNoeSBzdGF0dXMK4oCiIE1pcmFnZU9TIEhhY2thdGhv biBzdGF0dXMKClBsZWFzZSBkbyBhZGQgaXRlbXMgdmlhIGh0dHBzOi8vZ2l0aHViLmNvbS9taXJh Z2UvbWlyYWdlLXd3dy93aWtpL0NhbGwtQWdlbmRhCgpKb2luIHVzIGF0IDRwbSBHTVQgb24gV2Vk bmVzZGF5IQoKQmVzdCB3aXNoZXMsCkFtaXIKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KTWlyYWdlT1MtZGV2ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRl dmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2kt YmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Wed Feb 03 15:57:18 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 03 Feb 2016 15:57:18 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aQznk-00061Q-HL; 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Wed, 03 Feb 2016 15:57:01 +0000 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Amir Chaudhry In-Reply-To: <08CF9CB8-AA1F-46AA-88A8-8887CA1C5197@cam.ac.uk> Date: Wed, 3 Feb 2016 07:56:57 -0800 Message-Id: References: <08CF9CB8-AA1F-46AA-88A8-8887CA1C5197@cam.ac.uk> To: mirageos-devel X-Mailer: Apple Mail (2.2104) Subject: Re: [MirageOS-devel] MirageOS fortnightly call - Wednesday 3rd Feb at 4pm GMT X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org VGhlIGxpbmsgZm9yIHRoZSBjYWxsIGlzIGh0dHBzOi8vbWVldC5qaXQuc2kvTWlyYWdlT1MKCj4g T24gMiBGZWIgMjAxNiwgYXQgMTc6MTIsIEFtaXIgQ2hhdWRocnkgPGFtYzc5QGNhbS5hYy51az4g d3JvdGU6Cj4gCj4gSGkgZm9sa3MsCj4gCj4gVGhlIG5leHQgTWlyYWdlT1MgY2FsbCB3aWxsIHRh a2UgcGxhY2Ugb24gV2VkbmVzZGF5IGFmdGVybm9vbiBhdCA0cG0gR01UIGFuZCBpcyBvcGVuIHRv IGFsbC4KPiAKPiBXZSdsbCBiZSB1c2luZyBKaXRzaSBhbmQgSeKAmWxsIHBvc3QgdGhlIGxpbmsg c2hvcnRseSBiZWZvcmUgdGhlIGNhbGwsIGJvdGggaGVyZSBhbmQgYWxzbyBpbiB0aGUgSVJDIGNo YW5uZWwgKCNtaXJhZ2Ugb24gZnJlZW5vZGUpIFtoaW50OiBpdOKAmWxsIGJlIHRoZSBzYW1lIGFz IGxhc3QgdGltZV0KPiAKPiBUaGUgYWdlbmRhIGlzIGN1cnJlbnRseSBhcyBmb2xsb3dzOgo+IAo+ IOKAoiBRdWFsaXR5IGFuZCBUZXN0Cj4g4oCiIEZ1bmN0b3JpYSBzdGF0dXMKPiDigKIgT3V0cmVh Y2h5IHN0YXR1cwo+IOKAoiBNaXJhZ2VPUyBIYWNrYXRob24gc3RhdHVzCj4gCj4gUGxlYXNlIGRv IGFkZCBpdGVtcyB2aWEgaHR0cHM6Ly9naXRodWIuY29tL21pcmFnZS9taXJhZ2Utd3d3L3dpa2kv Q2FsbC1BZ2VuZGEKPiAKPiBKb2luIHVzIGF0IDRwbSBHTVQgb24gV2VkbmVzZGF5IQo+IAo+IEJl c3Qgd2lzaGVzLAo+IEFtaXIKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5nIGxpc3QKTWlyYWdlT1MtZGV2ZWxAbGlz dHMueGVucHJvamVjdC5vcmcKaHR0cDovL2xpc3RzLnhlbnByb2plY3Qub3JnL2NnaS1iaW4vbWFp bG1hbi9saXN0aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Wed Feb 03 15:57:18 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 03 Feb 2016 15:57:18 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aQznk-00061Q-HL; 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Wed, 03 Feb 2016 15:57:01 +0000 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Amir Chaudhry In-Reply-To: <08CF9CB8-AA1F-46AA-88A8-8887CA1C5197@cam.ac.uk> Date: Wed, 3 Feb 2016 07:56:57 -0800 Message-Id: References: <08CF9CB8-AA1F-46AA-88A8-8887CA1C5197@cam.ac.uk> To: mirageos-devel X-Mailer: Apple Mail (2.2104) Subject: Re: [MirageOS-devel] MirageOS fortnightly call - Wednesday 3rd Feb at 4pm GMT X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org VGhlIGxpbmsgZm9yIHRoZSBjYWxsIGlzIGh0dHBzOi8vbWVldC5qaXQuc2kvTWlyYWdlT1MKCj4g T24gMiBGZWIgMjAxNiwgYXQgMTc6MTIsIEFtaXIgQ2hhdWRocnkgPGFtYzc5QGNhbS5hYy51az4g d3JvdGU6Cj4gCj4gSGkgZm9sa3MsCj4gCj4gVGhlIG5leHQgTWlyYWdlT1MgY2FsbCB3aWxsIHRh a2UgcGxhY2Ugb24gV2VkbmVzZGF5IGFmdGVybm9vbiBhdCA0cG0gR01UIGFuZCBpcyBvcGVuIHRv IGFsbC4KPiAKPiBXZSdsbCBiZSB1c2luZyBKaXRzaSBhbmQgSeKAmWxsIHBvc3QgdGhlIGxpbmsg c2hvcnRseSBiZWZvcmUgdGhlIGNhbGwsIGJvdGggaGVyZSBhbmQgYWxzbyBpbiB0aGUgSVJDIGNo YW5uZWwgKCNtaXJhZ2Ugb24gZnJlZW5vZGUpIFtoaW50OiBpdOKAmWxsIGJlIHRoZSBzYW1lIGFz IGxhc3QgdGltZV0KPiAKPiBUaGUgYWdlbmRhIGlzIGN1cnJlbnRseSBhcyBmb2xsb3dzOgo+IAo+ IOKAoiBRdWFsaXR5IGFuZCBUZXN0Cj4g4oCiIEZ1bmN0b3JpYSBzdGF0dXMKPiDigKIgT3V0cmVh Y2h5IHN0YXR1cwo+IOKAoiBNaXJhZ2VPUyBIYWNrYXRob24gc3RhdHVzCj4gCj4gUGxlYXNlIGRv IGFkZCBpdGVtcyB2aWEgaHR0cHM6Ly9naXRodWIuY29tL21pcmFnZS9taXJhZ2Utd3d3L3dpa2kv Q2FsbC1BZ2VuZGEKPiAKPiBKb2luIHVzIGF0IDRwbSBHTVQgb24gV2VkbmVzZGF5IQo+IAo+IEJl c3Qgd2lzaGVzLAo+IEFtaXIKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5nIGxpc3QKTWlyYWdlT1MtZGV2ZWxAbGlz dHMueGVucHJvamVjdC5vcmcKaHR0cDovL2xpc3RzLnhlbnByb2plY3Qub3JnL2NnaS1iaW4vbWFp bG1hbi9saXN0aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Sat Feb 06 20:48:37 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 06 Feb 2016 20:48:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aS9mJ-0007KO-PD; 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Sat, 06 Feb 2016 12:48:19 -0800 (PST) Received: by 10.28.104.9 with HTTP; Sat, 6 Feb 2016 12:48:19 -0800 (PST) Date: Sun, 7 Feb 2016 02:18:19 +0530 Message-ID: From: Vanshdeep Singh To: mirageos-devel@lists.xenproject.org Subject: [MirageOS-devel] Building a sample File storage app X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0376298690418007418==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============0376298690418007418== Content-Type: multipart/alternative; boundary=001a1145b6827ce33d052b201620 --001a1145b6827ce33d052b201620 Content-Type: text/plain; charset=UTF-8 Hi, I am trying to build a sample file storage web app and I am need some directions on how to approach it, particularly I am trying to figure out how to do storage. Currently, I am drawing my insight from here and here (irmin). Any kind of suggestion would be really helpful. NOTE: files of any size could be uploaded so I am aiming at streaming uploads/downloads. Regards, Vansh --001a1145b6827ce33d052b201620 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi,
I am trying to build a sample file storage web app= and I am need some directions
on how to approach it, particularl= y I am trying to figure out how to do storage.
Currently, I am dr= awing my insight from here=C2=A0and here=C2=A0(irmin). Any kind of suggestion=C2=A0
would = be really helpful.

NOTE: files of any size could b= e uploaded so I am aiming at streaming uploads/downloads.


Regards,
Vansh
--001a1145b6827ce33d052b201620-- --===============0376298690418007418== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============0376298690418007418==-- From mirageos-devel-bounces@lists.xenproject.org Sat Feb 06 20:48:37 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 06 Feb 2016 20:48:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aS9mJ-0007KO-PD; Sat, 06 Feb 2016 20:48:23 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aS9mH-0007KJ-N9 for mirageos-devel@lists.xenproject.org; Sat, 06 Feb 2016 20:48:21 +0000 Received: from [85.158.143.35] by server-1.bemta-4.messagelabs.com id EF/90-09708-51C56B65; Sat, 06 Feb 2016 20:48:21 +0000 X-Env-Sender: kansi13@gmail.com X-Msg-Ref: server-14.tower-21.messagelabs.com!1454791700!14344016!1 X-Originating-IP: [74.125.82.50] X-SpamReason: No, hits=1.8 required=7.0 tests=HTML_30_40,HTML_MESSAGE, HTML_OBFUSCATE_05_10,RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18716 invoked from network); 6 Feb 2016 20:48:20 -0000 Received: from mail-wm0-f50.google.com (HELO mail-wm0-f50.google.com) (74.125.82.50) by server-14.tower-21.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 6 Feb 2016 20:48:20 -0000 Received: by mail-wm0-f50.google.com with SMTP id p63so69424146wmp.1 for ; Sat, 06 Feb 2016 12:48:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=+GwIB8+Fw+X1M6uqUskOGkHHY5FmiNsvh1t9B01gNZQ=; b=rYkrVdt8NtVzQlFIWDqwczfOEDcuDDW6hVex4JTedTD7Um9/PCdpGdyUFJXegnbF05 Q8Lsa3gFaOaAzarquWGiSsYYhcN1guKObnYs4Q/MtDv4LDERLB5ZaS1QbPyxp72pb+at cjnyXcRjDarKTQAkcoyyBwjgqL7TKwJJ39ck2lSZ1xQpMe3ixGAhZE/CjL+2yH4CzSL0 uhY8OhxYb21L8EjCHFltZY6+/caGZakzVXD2mn5lord0EmgScoR+hJ3cl8p5v4b/Cxr0 kJOcvsqlOmiIKHoR8ckxt591OgwoNbegiF38ZZvZtwSaWnrgs92B06EuvQASzTIMDC6R srXg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:date:message-id:subject:from:to :content-type; bh=+GwIB8+Fw+X1M6uqUskOGkHHY5FmiNsvh1t9B01gNZQ=; b=LZbYe+6rhORkA3GeS/rhBFQplpxBJiv4SZIZBCMrqaNfa0vcd6fmajoL/8Ety21qg6 YwsuA3FG5kHsd+1ZFhSaYFdtz0X6ca0SYqUtOXY2xvT8Bd/Pll8Ec5+T6OOaHdzDsw41 ZzobTmnFkH+n4D+eIhhKVTbT5J073lH0vAbpY2KhIVS9hn5k0XmEfHsp3rZrEzPsGOWB iYG0YvLHvgFl8cIWjxG9H1FS27hpwlCjvZTyYi2QdJaDeG3KRQwzUF6XL4p3Sq5j+i2H ONR7OTbZW9CfUJ4CAsFI+QQ8dk22dWeOkQKlzm74Tq49xy8lEPDkfOY/DpqiQBZ4pgFA du6w== X-Gm-Message-State: AG10YOSWIj+aJdSiefW6Qc+mdm4xDbWLuPT0cbMmF8QaGQlNLYaQWPcbt/nQW31ZjA7zOblxjTeGSbyspBtdng== MIME-Version: 1.0 X-Received: by 10.28.140.210 with SMTP id o201mr23387687wmd.28.1454791699781; Sat, 06 Feb 2016 12:48:19 -0800 (PST) Received: by 10.28.104.9 with HTTP; Sat, 6 Feb 2016 12:48:19 -0800 (PST) Date: Sun, 7 Feb 2016 02:18:19 +0530 Message-ID: From: Vanshdeep Singh To: mirageos-devel@lists.xenproject.org Subject: [MirageOS-devel] Building a sample File storage app X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0376298690418007418==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============0376298690418007418== Content-Type: multipart/alternative; boundary=001a1145b6827ce33d052b201620 --001a1145b6827ce33d052b201620 Content-Type: text/plain; charset=UTF-8 Hi, I am trying to build a sample file storage web app and I am need some directions on how to approach it, particularly I am trying to figure out how to do storage. Currently, I am drawing my insight from here and here (irmin). Any kind of suggestion would be really helpful. NOTE: files of any size could be uploaded so I am aiming at streaming uploads/downloads. Regards, Vansh --001a1145b6827ce33d052b201620 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi,
I am trying to build a sample file storage web app= and I am need some directions
on how to approach it, particularl= y I am trying to figure out how to do storage.
Currently, I am dr= awing my insight from here=C2=A0and here=C2=A0(irmin). Any kind of suggestion=C2=A0
would = be really helpful.

NOTE: files of any size could b= e uploaded so I am aiming at streaming uploads/downloads.


Regards,
Vansh
--001a1145b6827ce33d052b201620-- --===============0376298690418007418== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============0376298690418007418==-- From mirageos-devel-bounces@lists.xenproject.org Sun Feb 07 17:58:31 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 07 Feb 2016 17:58:31 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aSTbL-0001uQ-1S; Sun, 07 Feb 2016 17:58:23 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aSTbJ-0001uL-8W for mirageos-devel@lists.xenproject.org; Sun, 07 Feb 2016 17:58:21 +0000 Received: from [85.158.139.211] by server-12.bemta-5.messagelabs.com id FF/DE-17089-CB587B65; Sun, 07 Feb 2016 17:58:20 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-2.tower-206.messagelabs.com!1454867898!20864355!1 X-Originating-IP: [209.85.213.48] X-SpamReason: No, hits=0.6 required=7.0 tests=MAILTO_TO_SPAM_ADDR, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 52447 invoked from network); 7 Feb 2016 17:58:19 -0000 Received: from mail-vk0-f48.google.com (HELO mail-vk0-f48.google.com) (209.85.213.48) by server-2.tower-206.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 7 Feb 2016 17:58:19 -0000 Received: by mail-vk0-f48.google.com with SMTP id k196so16679924vka.0 for ; Sun, 07 Feb 2016 09:58:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=5vNZxGSf11meLObo3jvhFoGHH7C/lF2sGFpvqIRVa60=; b=qa/wOc25q7fBr3gi5q3h3oaMHWA18Ieo2Q+SyGUnsWsG4P8862c6wp2RZVtPs87IOY /OXR9YwOYVbXVRMesjl3AywRTPLQpUULxEGEgfoi8tJqm8oAOFUnSrASMRAOvdnrQwDO k2Pf5SOeqyEO9eYlnOx4JtuZFOzDzo9AMACaqnDSLzl93T8Ms0kQOezCYCakeCWxdOkF rxUa+ieJqeMNZ4KDjVZyUpdeLkLdZqlWqNXMOE0wulQWapfhRi7ia9akhyJid+lm5fQf wiLEz2vYexUt2gKP2zBMeJliTPiJ1QllymnptluVcOLNh1wTLNPcLFNwTr9HaMU7aGYH 2JZA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=5vNZxGSf11meLObo3jvhFoGHH7C/lF2sGFpvqIRVa60=; b=SW61Wk7T3i6ooKc//k1dE1X3feZT4m0bne9NwLefMP9TM6Ysx4LsV/UWF+RETEzwqd uJ+1Y6HlSOKOWwGj95yUD2fo+GwdXZA77HUZxJ7SO49l9mS2S+jv+eEyKfgOwe/5s2SV TX0J2gpJtRtSUaUBN244WE/1IUQiGOxBWBPMLbjcQ7qiRyDHdcAND74/KQcAKSb43Mai Txecjs8dAtXmWpMHqH6//aUL7Yu6QPLZHOgsjhhkr6j2pavpjqXqPO9xAxe3EHb5Wtvm hIEIkmloKbEvnY5EYaFQiA4eRKGhnfz6DcT6+wPrkH2G1fF1PbLmjPYtBRolEfyEsuPO uMhQ== X-Gm-Message-State: AG10YOSNhsBcjwhC98eNkpx330+zQYg0lqgmtMhhJLKb+aqF6U8j/ktE+vN3uU6sEiCkWhBJYdf3giWQe5PpxQ== MIME-Version: 1.0 X-Received: by 10.31.178.146 with SMTP id b140mr16927299vkf.108.1454867898454; Sun, 07 Feb 2016 09:58:18 -0800 (PST) Received: by 10.31.130.129 with HTTP; Sun, 7 Feb 2016 09:58:18 -0800 (PST) In-Reply-To: References: Date: Sun, 7 Feb 2016 17:58:18 +0000 Message-ID: From: Thomas Leonard To: Vanshdeep Singh Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Building a sample File storage app X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 6 February 2016 at 20:48, Vanshdeep Singh wrote: > Hi, > I am trying to build a sample file storage web app and I am need some > directions > on how to approach it, particularly I am trying to figure out how to do > storage. > Currently, I am drawing my insight from here and here (irmin). Any kind of > suggestion > would be really helpful. > > NOTE: files of any size could be uploaded so I am aiming at streaming > uploads/downloads. Hi Vansh, Currently, FAT is the only supported file-system on Mirage/Xen: https://github.com/mirage/ocaml-fat If your needs are simpler then you could also implement your own scheme. The file queue example you linked just stores the files sequentially on the disk, which is fine for a queue. If you want to help build something better (e.g. to support Irmin), the ocaml-btree project is under development: http://lists.xenproject.org/archives/html/mirageos-devel/2016-01/msg00059.html -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Feb 07 17:58:31 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 07 Feb 2016 17:58:31 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aSTbL-0001uQ-1S; Sun, 07 Feb 2016 17:58:23 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aSTbJ-0001uL-8W for mirageos-devel@lists.xenproject.org; Sun, 07 Feb 2016 17:58:21 +0000 Received: from [85.158.139.211] by server-12.bemta-5.messagelabs.com id FF/DE-17089-CB587B65; Sun, 07 Feb 2016 17:58:20 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-2.tower-206.messagelabs.com!1454867898!20864355!1 X-Originating-IP: [209.85.213.48] X-SpamReason: No, hits=0.6 required=7.0 tests=MAILTO_TO_SPAM_ADDR, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 52447 invoked from network); 7 Feb 2016 17:58:19 -0000 Received: from mail-vk0-f48.google.com (HELO mail-vk0-f48.google.com) (209.85.213.48) by server-2.tower-206.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 7 Feb 2016 17:58:19 -0000 Received: by mail-vk0-f48.google.com with SMTP id k196so16679924vka.0 for ; Sun, 07 Feb 2016 09:58:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=5vNZxGSf11meLObo3jvhFoGHH7C/lF2sGFpvqIRVa60=; b=qa/wOc25q7fBr3gi5q3h3oaMHWA18Ieo2Q+SyGUnsWsG4P8862c6wp2RZVtPs87IOY /OXR9YwOYVbXVRMesjl3AywRTPLQpUULxEGEgfoi8tJqm8oAOFUnSrASMRAOvdnrQwDO k2Pf5SOeqyEO9eYlnOx4JtuZFOzDzo9AMACaqnDSLzl93T8Ms0kQOezCYCakeCWxdOkF rxUa+ieJqeMNZ4KDjVZyUpdeLkLdZqlWqNXMOE0wulQWapfhRi7ia9akhyJid+lm5fQf wiLEz2vYexUt2gKP2zBMeJliTPiJ1QllymnptluVcOLNh1wTLNPcLFNwTr9HaMU7aGYH 2JZA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=5vNZxGSf11meLObo3jvhFoGHH7C/lF2sGFpvqIRVa60=; b=SW61Wk7T3i6ooKc//k1dE1X3feZT4m0bne9NwLefMP9TM6Ysx4LsV/UWF+RETEzwqd uJ+1Y6HlSOKOWwGj95yUD2fo+GwdXZA77HUZxJ7SO49l9mS2S+jv+eEyKfgOwe/5s2SV TX0J2gpJtRtSUaUBN244WE/1IUQiGOxBWBPMLbjcQ7qiRyDHdcAND74/KQcAKSb43Mai Txecjs8dAtXmWpMHqH6//aUL7Yu6QPLZHOgsjhhkr6j2pavpjqXqPO9xAxe3EHb5Wtvm hIEIkmloKbEvnY5EYaFQiA4eRKGhnfz6DcT6+wPrkH2G1fF1PbLmjPYtBRolEfyEsuPO uMhQ== X-Gm-Message-State: AG10YOSNhsBcjwhC98eNkpx330+zQYg0lqgmtMhhJLKb+aqF6U8j/ktE+vN3uU6sEiCkWhBJYdf3giWQe5PpxQ== MIME-Version: 1.0 X-Received: by 10.31.178.146 with SMTP id b140mr16927299vkf.108.1454867898454; Sun, 07 Feb 2016 09:58:18 -0800 (PST) Received: by 10.31.130.129 with HTTP; Sun, 7 Feb 2016 09:58:18 -0800 (PST) In-Reply-To: References: Date: Sun, 7 Feb 2016 17:58:18 +0000 Message-ID: From: Thomas Leonard To: Vanshdeep Singh Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Building a sample File storage app X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 6 February 2016 at 20:48, Vanshdeep Singh wrote: > Hi, > I am trying to build a sample file storage web app and I am need some > directions > on how to approach it, particularly I am trying to figure out how to do > storage. > Currently, I am drawing my insight from here and here (irmin). Any kind of > suggestion > would be really helpful. > > NOTE: files of any size could be uploaded so I am aiming at streaming > uploads/downloads. Hi Vansh, Currently, FAT is the only supported file-system on Mirage/Xen: https://github.com/mirage/ocaml-fat If your needs are simpler then you could also implement your own scheme. The file queue example you linked just stores the files sequentially on the disk, which is fine for a queue. If you want to help build something better (e.g. to support Irmin), the ocaml-btree project is under development: http://lists.xenproject.org/archives/html/mirageos-devel/2016-01/msg00059.html -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Feb 07 22:33:55 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 07 Feb 2016 22:33:55 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aSXtn-0004tJ-LL; Sun, 07 Feb 2016 22:33:43 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aSXtm-0004tE-IH for mirageos-devel@lists.xenproject.org; Sun, 07 Feb 2016 22:33:42 +0000 Received: from [85.158.143.35] by server-3.bemta-4.messagelabs.com id 97/4C-31122-546C7B65; Sun, 07 Feb 2016 22:33:41 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-12.tower-21.messagelabs.com!1454884420!14588790!1 X-Originating-IP: [209.85.213.52] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5254 invoked from network); 7 Feb 2016 22:33:41 -0000 Received: from mail-vk0-f52.google.com (HELO mail-vk0-f52.google.com) (209.85.213.52) by server-12.tower-21.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 7 Feb 2016 22:33:41 -0000 Received: by mail-vk0-f52.google.com with SMTP id c3so38888862vkb.3 for ; Sun, 07 Feb 2016 14:33:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; 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cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Mon, 8 Feb 2016 15:07:35 +0000 (GMT) Mime-Version: 1.0 (Mac OS X Mail 9.1 \(3096.5\)) From: Anil Madhavapeddy In-Reply-To: Date: Mon, 8 Feb 2016 15:07:34 +0000 Message-Id: <8AE04DD7-B821-44FC-887C-81972C75701A@recoil.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.3096.5) Cc: =?utf-8?Q?Marek_Marczykowski-G=C3=B3recki?= , "mirageos-devel@lists.xenproject.org" , qubes-devel Subject: Re: [MirageOS-devel] Mirage OS and Qubes OS integration X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 7 Feb 2016, at 22:33, Thomas Leonard wrote: > >> How is that related to Mirage OS? It can be distributed/installed as >> minimal root.img, containing just /boot directory with: >> - a Mirage OS binary >> - grub2 configuration starting it >> >> Why not installing it directly as a kernel (also using some new qrexec >> service)? Two reasons: >> - VM kernel loaded from dom0 filesystem is parsed by a toolstack >> running there. While the attack surface is quite small here >> (probably only uncompressing code), it still exists This is indeed how we boot on EC2 at the moment (which uses pv-grub also). https://github.com/mirage/mirage/blob/master/scripts/ec2.sh A Mirage Xen unikernel is wrapped in a minimal image that includes a grub.conf that points to it. Anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Feb 08 15:07:56 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 08 Feb 2016 15:07:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aSnPf-0004RW-UB; Mon, 08 Feb 2016 15:07:39 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aSnPd-0004RR-Qy for mirageos-devel@lists.xenproject.org; Mon, 08 Feb 2016 15:07:38 +0000 Received: from [193.109.254.147] by server-15.bemta-14.messagelabs.com id E2/17-10115-93FA8B65; Mon, 08 Feb 2016 15:07:37 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-12.tower-27.messagelabs.com!1454944056!22216667!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8052 invoked from network); 8 Feb 2016 15:07:36 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-12.tower-27.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 8 Feb 2016 15:07:36 -0000 Received: from bark.recoil.org (localhost [127.0.0.1]) by bark.recoil.org (OpenSMTPD) with ESMTP id ed931caa; Mon, 8 Feb 2016 15:07:35 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=recoil.org; h=content-type :mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; s= selector1; bh=nyzqkkWbUI5IqRngIV0+HIC6LuY=; b=uvs71Dn9mKenL1G2xQ CENnZtnWYqRYXfjPW1kUsCXI/nFkU2YQUuWZ9euBMqqT5l8uZxsPyTVUcLhfKu29 RZ0bwLqAMMe0dNoULvVOR4t3faucwX3A3rKV5QCbLv2zN/IjVdnoz6mqMaFg3NdO T4qu9h/3BvTUa2hSJR9K2kVIw= DomainKey-Signature: a=rsa-sha1; c=nofws; d=recoil.org; h=content-type :mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; q=dns; s= selector1; b=g73h5XLibPCWuyfc8D9SBj8dqYexL2qwGlJ8QECsl1n8NZi+gid eJgcOdv64dOS7BNuh2rwV76+CkxeD0/0wdyvWe7BzSTdRFUasGxlBP961EB7t4vV zpCLNtkyVX+HE7QnqwAY6PCaItwlm84rffxGH5+YXyNq02FnAU0smIEo= Received: by bark.recoil.org (OpenSMTPD) with ESMTPSA id 14fde4a7 TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Mon, 8 Feb 2016 15:07:35 +0000 (GMT) Mime-Version: 1.0 (Mac OS X Mail 9.1 \(3096.5\)) From: Anil Madhavapeddy In-Reply-To: Date: Mon, 8 Feb 2016 15:07:34 +0000 Message-Id: <8AE04DD7-B821-44FC-887C-81972C75701A@recoil.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.3096.5) Cc: =?utf-8?Q?Marek_Marczykowski-G=C3=B3recki?= , "mirageos-devel@lists.xenproject.org" , qubes-devel Subject: Re: [MirageOS-devel] Mirage OS and Qubes OS integration X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 7 Feb 2016, at 22:33, Thomas Leonard wrote: > >> How is that related to Mirage OS? It can be distributed/installed as >> minimal root.img, containing just /boot directory with: >> - a Mirage OS binary >> - grub2 configuration starting it >> >> Why not installing it directly as a kernel (also using some new qrexec >> service)? Two reasons: >> - VM kernel loaded from dom0 filesystem is parsed by a toolstack >> running there. While the attack surface is quite small here >> (probably only uncompressing code), it still exists This is indeed how we boot on EC2 at the moment (which uses pv-grub also). https://github.com/mirage/mirage/blob/master/scripts/ec2.sh A Mirage Xen unikernel is wrapped in a minimal image that includes a grub.conf that points to it. Anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Feb 09 12:37:47 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 09 Feb 2016 12:37:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aT7Y2-0004bd-8e; Tue, 09 Feb 2016 12:37:38 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aT7Y0-0004b3-Kw; Tue, 09 Feb 2016 12:37:36 +0000 Received: from [193.109.254.147] by server-10.bemta-14.messagelabs.com id 89/35-25438-F8DD9B65; Tue, 09 Feb 2016 12:37:35 +0000 X-Env-Sender: lars.kurth.xen@gmail.com X-Msg-Ref: server-10.tower-27.messagelabs.com!1455021454!22553090!1 X-Originating-IP: [74.125.82.42] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 53369 invoked from network); 9 Feb 2016 12:37:34 -0000 Received: from mail-wm0-f42.google.com (HELO mail-wm0-f42.google.com) (74.125.82.42) by server-10.tower-27.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 9 Feb 2016 12:37:34 -0000 Received: by mail-wm0-f42.google.com with SMTP id p63so21225559wmp.1; Tue, 09 Feb 2016 04:37:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:content-type:content-transfer-encoding:subject:message-id:date :to:mime-version; bh=/XsEsTBBTq98Zut/lqxvf8cGfWlLg6e/vzk5P9HMBNI=; b=XBZHgBodNDM3yf0rE1J/cwkvKoPMGoARaDZZsNZQD9fB+WGjOJq2gsMB47DMqrwUif QLe1cio3wxYN4RDvSbUo+Hd7J+Rnx597BeKnzClKSvl/EPD78S6OqZyHVLmwduHf30HN GryaYz5n2DwV24OYS5IctXw5VKpLiamO3/xUIFyghCrL/kRI9dQJBOCcfX2nN7Ec/WYD MVsENNmsUuDTRoutnatHujUVuetDD+8yUOsoT2MonEKxQTdlxltPpvBTFQ56HifI50Yt zm1m/ZXvmTYh8xPV6bamSoN0qqdW6JAlTNNkxh7IsarRE16ClzZi2m18KnKI7fjmU/Pe CM4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:content-type:content-transfer-encoding :subject:message-id:date:to:mime-version; bh=/XsEsTBBTq98Zut/lqxvf8cGfWlLg6e/vzk5P9HMBNI=; b=E76oT2IsnIukFDnA6pGd2uWfqAeTKpnWSLkztyoXN/JBxIjMH4Fk+x4aFMa9fOPJmg 1phjQaDNN6VnyWXZEj03bWyqNOs72WTnKE/OFN+T3IooBOdn7q52yzR2dNOfHO7Xkypo bMJ59M78pJIMDpRVauHBSEqdhxWoRuM71mgpUPgG04JE6pQOvxbu1qtaKb0SLt828uCC +p4dlzw81ZFqprcPq1kKNX4bjyw85/P1SMYmJrf0BKFd2mmbLCUT9XRR9IPSTk2W/cv5 M+4MxkGxbUqD+rKQtqM3+mLbbsgGU+VK5Sg8QRWkVtNEbrmOY+4GQB7zCYQC+kWmo3MS gsjQ== X-Gm-Message-State: AG10YORCcMFR0HjJC86gxbt0nVd5+fN5jLOFkIzdiILkn8ClJlnLKuGEiUwfY4iZ5hw7cg== X-Received: by 10.28.153.14 with SMTP id b14mr4961061wme.93.1455021454077; Tue, 09 Feb 2016 04:37:34 -0800 (PST) Received: from [192.168.0.9] (97e66cac.skybroadband.com. [151.230.108.172]) by smtp.gmail.com with ESMTPSA id lm5sm25539800wjc.12.2016.02.09.04.37.32 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 09 Feb 2016 04:37:32 -0800 (PST) From: Lars Kurth Message-Id: Date: Tue, 9 Feb 2016 12:37:35 +0000 To: xen-devel , Win-pv-devel@lists.xenproject.org, embedded-pv-devel@lists.xenproject.org, Xen API mailing list , mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) X-Mailer: Apple Mail (2.2104) Subject: [MirageOS-devel] Urgent: Cleaning up project list in preparation for GSoc and the next Outreachy round X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi folks, GSoc mentor organisation applications are opening and as such we need to get our project list into shape: the current list of projects are at http://wiki.xenproject.org/wiki/Xen_Development_Projects and https://github.com/mirage/mirage-www/wiki/Pioneer-Projects The application deadline is Feb 19th, by which we need to have a good list of projects. I also wanted to address some challenges we had around Hypervisor projects and necessary hardware and track that in the GSoc landing page, which I will put together based on conversations with mentors So what we need is: a) Weed out any old and stale projects (of which we have a few) b) Add some new ones, if appropriate I will also need a co-administrator for the GSoC application Best Regards Lars _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Feb 09 12:37:47 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 09 Feb 2016 12:37:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aT7Y2-0004bd-8e; Tue, 09 Feb 2016 12:37:38 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aT7Y0-0004b3-Kw; Tue, 09 Feb 2016 12:37:36 +0000 Received: from [193.109.254.147] by server-10.bemta-14.messagelabs.com id 89/35-25438-F8DD9B65; Tue, 09 Feb 2016 12:37:35 +0000 X-Env-Sender: lars.kurth.xen@gmail.com X-Msg-Ref: server-10.tower-27.messagelabs.com!1455021454!22553090!1 X-Originating-IP: [74.125.82.42] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 53369 invoked from network); 9 Feb 2016 12:37:34 -0000 Received: from mail-wm0-f42.google.com (HELO mail-wm0-f42.google.com) (74.125.82.42) by server-10.tower-27.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 9 Feb 2016 12:37:34 -0000 Received: by mail-wm0-f42.google.com with SMTP id p63so21225559wmp.1; Tue, 09 Feb 2016 04:37:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:content-type:content-transfer-encoding:subject:message-id:date :to:mime-version; bh=/XsEsTBBTq98Zut/lqxvf8cGfWlLg6e/vzk5P9HMBNI=; b=XBZHgBodNDM3yf0rE1J/cwkvKoPMGoARaDZZsNZQD9fB+WGjOJq2gsMB47DMqrwUif QLe1cio3wxYN4RDvSbUo+Hd7J+Rnx597BeKnzClKSvl/EPD78S6OqZyHVLmwduHf30HN GryaYz5n2DwV24OYS5IctXw5VKpLiamO3/xUIFyghCrL/kRI9dQJBOCcfX2nN7Ec/WYD MVsENNmsUuDTRoutnatHujUVuetDD+8yUOsoT2MonEKxQTdlxltPpvBTFQ56HifI50Yt zm1m/ZXvmTYh8xPV6bamSoN0qqdW6JAlTNNkxh7IsarRE16ClzZi2m18KnKI7fjmU/Pe CM4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:content-type:content-transfer-encoding :subject:message-id:date:to:mime-version; bh=/XsEsTBBTq98Zut/lqxvf8cGfWlLg6e/vzk5P9HMBNI=; b=E76oT2IsnIukFDnA6pGd2uWfqAeTKpnWSLkztyoXN/JBxIjMH4Fk+x4aFMa9fOPJmg 1phjQaDNN6VnyWXZEj03bWyqNOs72WTnKE/OFN+T3IooBOdn7q52yzR2dNOfHO7Xkypo bMJ59M78pJIMDpRVauHBSEqdhxWoRuM71mgpUPgG04JE6pQOvxbu1qtaKb0SLt828uCC +p4dlzw81ZFqprcPq1kKNX4bjyw85/P1SMYmJrf0BKFd2mmbLCUT9XRR9IPSTk2W/cv5 M+4MxkGxbUqD+rKQtqM3+mLbbsgGU+VK5Sg8QRWkVtNEbrmOY+4GQB7zCYQC+kWmo3MS gsjQ== X-Gm-Message-State: AG10YORCcMFR0HjJC86gxbt0nVd5+fN5jLOFkIzdiILkn8ClJlnLKuGEiUwfY4iZ5hw7cg== X-Received: by 10.28.153.14 with SMTP id b14mr4961061wme.93.1455021454077; Tue, 09 Feb 2016 04:37:34 -0800 (PST) Received: from [192.168.0.9] (97e66cac.skybroadband.com. [151.230.108.172]) by smtp.gmail.com with ESMTPSA id lm5sm25539800wjc.12.2016.02.09.04.37.32 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 09 Feb 2016 04:37:32 -0800 (PST) From: Lars Kurth Message-Id: Date: Tue, 9 Feb 2016 12:37:35 +0000 To: xen-devel , Win-pv-devel@lists.xenproject.org, embedded-pv-devel@lists.xenproject.org, Xen API mailing list , mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) X-Mailer: Apple Mail (2.2104) Subject: [MirageOS-devel] Urgent: Cleaning up project list in preparation for GSoc and the next Outreachy round X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi folks, GSoc mentor organisation applications are opening and as such we need to get our project list into shape: the current list of projects are at http://wiki.xenproject.org/wiki/Xen_Development_Projects and https://github.com/mirage/mirage-www/wiki/Pioneer-Projects The application deadline is Feb 19th, by which we need to have a good list of projects. I also wanted to address some challenges we had around Hypervisor projects and necessary hardware and track that in the GSoc landing page, which I will put together based on conversations with mentors So what we need is: a) Weed out any old and stale projects (of which we have a few) b) Add some new ones, if appropriate I will also need a co-administrator for the GSoC application Best Regards Lars _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Feb 10 16:46:04 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 10 Feb 2016 16:46:04 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aTXts-0004sx-6H; Wed, 10 Feb 2016 16:45:56 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aTXtq-0004sE-1d; Wed, 10 Feb 2016 16:45:54 +0000 Received: from [193.109.254.147] by server-5.bemta-14.messagelabs.com id 50/5A-23366-1496BB65; Wed, 10 Feb 2016 16:45:53 +0000 X-Env-Sender: lars.kurth.xen@gmail.com X-Msg-Ref: server-6.tower-27.messagelabs.com!1455122750!22926822!1 X-Originating-IP: [74.125.82.42] X-SpamReason: No, hits=0.6 required=7.0 tests=HTML_40_50,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23180 invoked from network); 10 Feb 2016 16:45:51 -0000 Received: from mail-wm0-f42.google.com (HELO mail-wm0-f42.google.com) (74.125.82.42) by server-6.tower-27.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 10 Feb 2016 16:45:51 -0000 Received: by mail-wm0-f42.google.com with SMTP id c200so37475756wme.0; Wed, 10 Feb 2016 08:45:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:content-type:message-id:mime-version:subject:date:references :to:in-reply-to; bh=3D0Fwpqq6YfxcRPXaFwqhBoWri7cl+xlmm9NyQQU/Uw=; b=NSRnrfu0zRXJJ5MhzRlRwxqzQspM/eor0YMogtsWHHakx89on4PT8T7ZxUx5oz0pag KFSsHANBD9wo2Qb9e7PAsRpku19HCOyhs4R/kvSSv5EsDATFEcugbcvT6s9JGPnBBfOC 6/M6CEuMihwsYIJ+JDYErqN22NplJbN7jByBMwKf99bjdXabw3G7mTtG7ORMHavD1pif LlwfJBxn2Fe00dAP8+a+q0ynD4fxiHZtc/eNxKPIY9bvgxYEQbbwKV156KbTZDO4B89W 2FPVWciIQsHtdS1qjg7LKd317ktocGli3nH4c5j1YHYYnJZdSswqwFYto9HAe2ryKZ+6 srkg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:content-type:message-id:mime-version :subject:date:references:to:in-reply-to; bh=3D0Fwpqq6YfxcRPXaFwqhBoWri7cl+xlmm9NyQQU/Uw=; b=SdDpEbu5xiRGL+ZfDjbgFSLiq5VsSkVBVXftpMC2b6eRtSSZHJt9PO75OPC6f7CZy0 +arT6Cgkx6f552EAUhd+OPeBQ8vlWvM/EYO1A3/X2Vk2uWW5MvUXkZuhKwSfLlXfzyvp nvSKctbruuKD+hCxTR9GHtpE6Oswso6yj6RtuIMCFDlTPE3ag67ULwehshxycCLzkvBt 5N5xNHEqnsjSFJYZfxRKrj6GNB8C0wXINT4ldVtjfSBA04xJPMdqj8Mm/VpN1ZgXP8wR 4Y3tGQAE5XePLbdqeOqLF4XkjcHzgZM1MFnzC02zd1/5EHLx/mI0QG3ug2AScgmrUxPk 3UCw== X-Gm-Message-State: AG10YOQjKaICsTns7CUSTsej6V5xEC7poawaGQOdEmtvfGooCkE1twoWTO/F+LWlyJkGxQ== X-Received: by 10.194.243.103 with SMTP id wx7mr44697552wjc.136.1455122750490; Wed, 10 Feb 2016 08:45:50 -0800 (PST) Received: from [192.168.0.12] (97e66ebc.skybroadband.com. [151.230.110.188]) by smtp.gmail.com with ESMTPSA id uo9sm3698125wjc.49.2016.02.10.08.45.49 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 10 Feb 2016 08:45:49 -0800 (PST) From: Lars Kurth Message-Id: <4FB42149-8722-40FF-8633-EEBA8DF28732@gmail.com> Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) Date: Wed, 10 Feb 2016 16:45:48 +0000 References: To: xen-devel , Win-pv-devel@lists.xenproject.org, embedded-pv-devel@lists.xenproject.org, Xen API mailing list , mirageos-devel In-Reply-To: X-Mailer: Apple Mail (2.2104) Subject: Re: [MirageOS-devel] Urgent: Cleaning up project list in preparation for GSoc and the next Outreachy round X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3964472298931208036==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============3964472298931208036== Content-Type: multipart/alternative; boundary="Apple-Mail=_CBD350A4-2DD5-49E3-89C4-044C195F28F4" --Apple-Mail=_CBD350A4-2DD5-49E3-89C4-044C195F28F4 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Hi all, Just to let you know, I created a combined landing page for the next = Outreachy and GSoC rounds at = http://wiki.xenproject.org/wiki/Outreachy/Round12%2B2016GSoC = I will be chasing owners of projects to see whether these are still = applicable. And of course new projects are also welcome. Please add them = to the respective pages, or propose them against this thread. Also, for Hypervisor projects, I created = http://wiki.xenproject.org/wiki/Outreachy/Hypervisor = which still has = to be populated based on suggestions from past mentors. What we agreed = on, is to add a) Some blurb on HW recommendations and how to check and then to get = back to the project owner with a log to make sure the applicant has the = hardware to work on the correct project a.1) What is unresolved due to uncertainty of general viability and = debugging issues, is whether we should recommend nested virt as a = development environment (either locally, or in a VM that the project = could get for an applicant)=20 b) A test that checks whether an applicant has been able to build xen = from source and run xen: the idea is to ask them to insert a debug = statement into the code and then provide the log as proof. This seems to = have been one of the big hurdles for many applicants, that have = struggled c) More information on what to ask for in terms of bite-size projects Best Regards Lars > On 9 Feb 2016, at 12:36, Lars Kurth > wrote: >=20 > Hi folks, >=20 > GSoc mentor organisation applications are opening and as such we need = to get our project list into shape: the current list of projects are at = http://wiki.xenproject.org/wiki/Xen_Development_Projects = and = https://github.com/mirage/mirage-www/wiki/Pioneer-Projects = >=20 > The application deadline is Feb 19th, by which we need to have a good = list of projects. >=20 > I also wanted to address some challenges we had around Hypervisor = projects and necessary hardware and track that in the GSoc landing page, = which I will put together based on conversations with mentors >=20 > So what we need is: > a) Weed out any old and stale projects (of which we have a few) > b) Add some new ones, if appropriate >=20 > I will also need a co-administrator for the GSoC application >=20 > Best Regards > Lars --Apple-Mail=_CBD350A4-2DD5-49E3-89C4-044C195F28F4 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii
Hi all,

Just to let you know, I created a combined landing page = for the next Outreachy and GSoC rounds at http://wiki.xenproject.org/wiki/Outreachy/Round12%2B2016GSoC
I will be chasing owners of projects to see whether = these are still applicable. And of course new projects are also welcome. = Please add them to the respective pages, or propose them against this = thread.

Also, = for Hypervisor projects, I created http://wiki.xenproject.org/wiki/Outreachy/Hypervisor w= hich still has to be populated based on suggestions from past mentors. = What we agreed on, is to add
a) Some blurb on HW = recommendations and how to check and then to get back to the project = owner with a log to make sure the applicant has the hardware to work on = the correct project
a.1) What is unresolved due to = uncertainty of general viability and debugging issues, is whether we = should recommend nested virt as a development environment (either = locally, or in a VM that the project could get for an = applicant) 
b) A test that checks whether an = applicant has been able to build xen from source and run xen: the idea = is to ask them to insert a debug statement into the code and then = provide the log as proof. This seems to have been one of the big hurdles = for many applicants, that have struggled
c) More = information on what to ask for in terms of bite-size projects

Best Regards
Lars

On = 9 Feb 2016, at 12:36, Lars Kurth <lars.kurth.xen@gmail.com> wrote:

Hi folks,

GSoc mentor organisation = applications are opening and as such we need to get our project list = into shape: the current list of projects are at http://wiki.xenproject.org/wiki/Xen_Development_Projects = and https://github.com/mirage/mirage-www/wiki/Pioneer-Projects<= /div>

The = application deadline is Feb 19th, by which we need to have a good list = of projects.

I = also wanted to address some challenges we had around Hypervisor projects = and necessary hardware and track that in the GSoc landing page, which I = will put together based on conversations with mentors

So what we need = is:
a) Weed out any old and stale projects (of = which we have a few)
b) Add some new ones, if = appropriate

I = will also need a co-administrator for the GSoC application

Best Regards
Lars

= --Apple-Mail=_CBD350A4-2DD5-49E3-89C4-044C195F28F4-- --===============3964472298931208036== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============3964472298931208036==-- From mirageos-devel-bounces@lists.xenproject.org Wed Feb 10 16:46:04 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 10 Feb 2016 16:46:04 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aTXts-0004sx-6H; Wed, 10 Feb 2016 16:45:56 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aTXtq-0004sE-1d; Wed, 10 Feb 2016 16:45:54 +0000 Received: from [193.109.254.147] by server-5.bemta-14.messagelabs.com id 50/5A-23366-1496BB65; Wed, 10 Feb 2016 16:45:53 +0000 X-Env-Sender: lars.kurth.xen@gmail.com X-Msg-Ref: server-6.tower-27.messagelabs.com!1455122750!22926822!1 X-Originating-IP: [74.125.82.42] X-SpamReason: No, hits=0.6 required=7.0 tests=HTML_40_50,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23180 invoked from network); 10 Feb 2016 16:45:51 -0000 Received: from mail-wm0-f42.google.com (HELO mail-wm0-f42.google.com) (74.125.82.42) by server-6.tower-27.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 10 Feb 2016 16:45:51 -0000 Received: by mail-wm0-f42.google.com with SMTP id c200so37475756wme.0; Wed, 10 Feb 2016 08:45:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:content-type:message-id:mime-version:subject:date:references :to:in-reply-to; bh=3D0Fwpqq6YfxcRPXaFwqhBoWri7cl+xlmm9NyQQU/Uw=; b=NSRnrfu0zRXJJ5MhzRlRwxqzQspM/eor0YMogtsWHHakx89on4PT8T7ZxUx5oz0pag KFSsHANBD9wo2Qb9e7PAsRpku19HCOyhs4R/kvSSv5EsDATFEcugbcvT6s9JGPnBBfOC 6/M6CEuMihwsYIJ+JDYErqN22NplJbN7jByBMwKf99bjdXabw3G7mTtG7ORMHavD1pif LlwfJBxn2Fe00dAP8+a+q0ynD4fxiHZtc/eNxKPIY9bvgxYEQbbwKV156KbTZDO4B89W 2FPVWciIQsHtdS1qjg7LKd317ktocGli3nH4c5j1YHYYnJZdSswqwFYto9HAe2ryKZ+6 srkg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:content-type:message-id:mime-version :subject:date:references:to:in-reply-to; bh=3D0Fwpqq6YfxcRPXaFwqhBoWri7cl+xlmm9NyQQU/Uw=; b=SdDpEbu5xiRGL+ZfDjbgFSLiq5VsSkVBVXftpMC2b6eRtSSZHJt9PO75OPC6f7CZy0 +arT6Cgkx6f552EAUhd+OPeBQ8vlWvM/EYO1A3/X2Vk2uWW5MvUXkZuhKwSfLlXfzyvp nvSKctbruuKD+hCxTR9GHtpE6Oswso6yj6RtuIMCFDlTPE3ag67ULwehshxycCLzkvBt 5N5xNHEqnsjSFJYZfxRKrj6GNB8C0wXINT4ldVtjfSBA04xJPMdqj8Mm/VpN1ZgXP8wR 4Y3tGQAE5XePLbdqeOqLF4XkjcHzgZM1MFnzC02zd1/5EHLx/mI0QG3ug2AScgmrUxPk 3UCw== X-Gm-Message-State: AG10YOQjKaICsTns7CUSTsej6V5xEC7poawaGQOdEmtvfGooCkE1twoWTO/F+LWlyJkGxQ== X-Received: by 10.194.243.103 with SMTP id wx7mr44697552wjc.136.1455122750490; Wed, 10 Feb 2016 08:45:50 -0800 (PST) Received: from [192.168.0.12] (97e66ebc.skybroadband.com. [151.230.110.188]) by smtp.gmail.com with ESMTPSA id uo9sm3698125wjc.49.2016.02.10.08.45.49 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 10 Feb 2016 08:45:49 -0800 (PST) From: Lars Kurth Message-Id: <4FB42149-8722-40FF-8633-EEBA8DF28732@gmail.com> Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) Date: Wed, 10 Feb 2016 16:45:48 +0000 References: To: xen-devel , Win-pv-devel@lists.xenproject.org, embedded-pv-devel@lists.xenproject.org, Xen API mailing list , mirageos-devel In-Reply-To: X-Mailer: Apple Mail (2.2104) Subject: Re: [MirageOS-devel] Urgent: Cleaning up project list in preparation for GSoc and the next Outreachy round X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3964472298931208036==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============3964472298931208036== Content-Type: multipart/alternative; boundary="Apple-Mail=_CBD350A4-2DD5-49E3-89C4-044C195F28F4" --Apple-Mail=_CBD350A4-2DD5-49E3-89C4-044C195F28F4 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Hi all, Just to let you know, I created a combined landing page for the next = Outreachy and GSoC rounds at = http://wiki.xenproject.org/wiki/Outreachy/Round12%2B2016GSoC = I will be chasing owners of projects to see whether these are still = applicable. And of course new projects are also welcome. Please add them = to the respective pages, or propose them against this thread. Also, for Hypervisor projects, I created = http://wiki.xenproject.org/wiki/Outreachy/Hypervisor = which still has = to be populated based on suggestions from past mentors. What we agreed = on, is to add a) Some blurb on HW recommendations and how to check and then to get = back to the project owner with a log to make sure the applicant has the = hardware to work on the correct project a.1) What is unresolved due to uncertainty of general viability and = debugging issues, is whether we should recommend nested virt as a = development environment (either locally, or in a VM that the project = could get for an applicant)=20 b) A test that checks whether an applicant has been able to build xen = from source and run xen: the idea is to ask them to insert a debug = statement into the code and then provide the log as proof. This seems to = have been one of the big hurdles for many applicants, that have = struggled c) More information on what to ask for in terms of bite-size projects Best Regards Lars > On 9 Feb 2016, at 12:36, Lars Kurth > wrote: >=20 > Hi folks, >=20 > GSoc mentor organisation applications are opening and as such we need = to get our project list into shape: the current list of projects are at = http://wiki.xenproject.org/wiki/Xen_Development_Projects = and = https://github.com/mirage/mirage-www/wiki/Pioneer-Projects = >=20 > The application deadline is Feb 19th, by which we need to have a good = list of projects. >=20 > I also wanted to address some challenges we had around Hypervisor = projects and necessary hardware and track that in the GSoc landing page, = which I will put together based on conversations with mentors >=20 > So what we need is: > a) Weed out any old and stale projects (of which we have a few) > b) Add some new ones, if appropriate >=20 > I will also need a co-administrator for the GSoC application >=20 > Best Regards > Lars --Apple-Mail=_CBD350A4-2DD5-49E3-89C4-044C195F28F4 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii
Hi all,

Just to let you know, I created a combined landing page = for the next Outreachy and GSoC rounds at http://wiki.xenproject.org/wiki/Outreachy/Round12%2B2016GSoC
I will be chasing owners of projects to see whether = these are still applicable. And of course new projects are also welcome. = Please add them to the respective pages, or propose them against this = thread.

Also, = for Hypervisor projects, I created http://wiki.xenproject.org/wiki/Outreachy/Hypervisor w= hich still has to be populated based on suggestions from past mentors. = What we agreed on, is to add
a) Some blurb on HW = recommendations and how to check and then to get back to the project = owner with a log to make sure the applicant has the hardware to work on = the correct project
a.1) What is unresolved due to = uncertainty of general viability and debugging issues, is whether we = should recommend nested virt as a development environment (either = locally, or in a VM that the project could get for an = applicant) 
b) A test that checks whether an = applicant has been able to build xen from source and run xen: the idea = is to ask them to insert a debug statement into the code and then = provide the log as proof. This seems to have been one of the big hurdles = for many applicants, that have struggled
c) More = information on what to ask for in terms of bite-size projects

Best Regards
Lars

On = 9 Feb 2016, at 12:36, Lars Kurth <lars.kurth.xen@gmail.com> wrote:

Hi folks,

GSoc mentor organisation = applications are opening and as such we need to get our project list = into shape: the current list of projects are at http://wiki.xenproject.org/wiki/Xen_Development_Projects = and https://github.com/mirage/mirage-www/wiki/Pioneer-Projects<= /div>

The = application deadline is Feb 19th, by which we need to have a good list = of projects.

I = also wanted to address some challenges we had around Hypervisor projects = and necessary hardware and track that in the GSoc landing page, which I = will put together based on conversations with mentors

So what we need = is:
a) Weed out any old and stale projects (of = which we have a few)
b) Add some new ones, if = appropriate

I = will also need a co-administrator for the GSoC application

Best Regards
Lars

= --Apple-Mail=_CBD350A4-2DD5-49E3-89C4-044C195F28F4-- --===============3964472298931208036== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============3964472298931208036==-- From mirageos-devel-bounces@lists.xenproject.org Thu Feb 11 14:41:48 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 11 Feb 2016 14:41:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aTsR3-0006Cx-3D; Thu, 11 Feb 2016 14:41:33 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aTsR0-0006Cs-S2 for mirageos-devel@lists.xenproject.org; Thu, 11 Feb 2016 14:41:31 +0000 Received: from [85.158.143.35] by server-3.bemta-4.messagelabs.com id 0F/72-31122-99D9CB65; Thu, 11 Feb 2016 14:41:29 +0000 X-Env-Sender: kansi13@gmail.com X-Msg-Ref: server-10.tower-21.messagelabs.com!1455201688!15232293!1 X-Originating-IP: [74.125.82.54] X-SpamReason: No, hits=1.2 required=7.0 tests=HTML_40_50,HTML_MESSAGE, MAILTO_TO_SPAM_ADDR,RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 62100 invoked from network); 11 Feb 2016 14:41:28 -0000 Received: from mail-wm0-f54.google.com (HELO mail-wm0-f54.google.com) (74.125.82.54) by server-10.tower-21.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 11 Feb 2016 14:41:28 -0000 Received: by mail-wm0-f54.google.com with SMTP id g62so24159296wme.0 for ; Thu, 11 Feb 2016 06:41:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=ChbmkdnDJrL/EsZT92/Gz84xBwnjXuL3E/OhGXp8/z8=; b=v426XycDy266JP7xK1cTpNUGoajzPCZOWvuzE9iyJmWU4c5/SWGlPA+Rj7R+sCWixA RJE+V7FPeuj8mBJNsqLNkNookuwKAPZ0YuZedZYQUNeYK3rM8PmU+KcoM+rwIpcDU28x lsrhyH5jiSaZk2ygTB4TDZ30nxuq4gclmXkIBoX8DSQdb6PhOiklzE+2FkHsqTrOwKSe KOpn2t3nf4S+i9QvkCgWzB2XNo6payRxsr3Yz76Rt9xfnDT3/u2wKrRtkhNUdtS+wtyC vVnAJV4iIPCh0ShHRY22NwqF1uMuztiKA1M6/t4NyetRNczBP9u/l16WOpxDRJCwJC2R Mwug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=ChbmkdnDJrL/EsZT92/Gz84xBwnjXuL3E/OhGXp8/z8=; b=JKBup1AhJfedUngAfetHmpQgZiWR55LUesOlS+SaI0pWXj/I2INe3xml3Hq0A06Rkw L/XXxs3gf5rBOKdznSO88XvcZXyBTvsxdmqx4OJwJhJ9GelcaMvagBnu+3SxNQONem9u 3zFBFrGcbrHwwkf7Q/Uiawg5Ovq8Jn3foosk2QUDibTKQd+MESCsxs9WF55wqQnOzHYO LjHaufO1nTtq8JDQAIP5KGysZ9Au3OWF/GCrBCs4AUQEKSKLoT2/buUXyXS1NDuSW/mD V6EG22zzacPKa7mIEs8/W4Wl3impG7hV84U58nZty4YyQ/6yR9sBqNo2g7vfhr5JV4eh LlGA== X-Gm-Message-State: AG10YOQLGwgzwkpxsT6j/l/Pmd5ZA/Vi+P/iK8/LiFQ/DElb+j9gZk+KxxqG3OJVAeUeIgUM9Q8oHpxlnd3lcg== MIME-Version: 1.0 X-Received: by 10.28.87.135 with SMTP id l129mr18859970wmb.9.1455201687999; Thu, 11 Feb 2016 06:41:27 -0800 (PST) Received: by 10.28.104.9 with HTTP; Thu, 11 Feb 2016 06:41:27 -0800 (PST) In-Reply-To: References: Date: Thu, 11 Feb 2016 20:11:27 +0530 Message-ID: From: Vanshdeep Singh To: Thomas Leonard Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Building a sample File storage app X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3870224669770266321==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============3870224669770266321== Content-Type: multipart/alternative; boundary=001a1144308cb09cdb052b7f8b12 --001a1144308cb09cdb052b7f8b12 Content-Type: text/plain; charset=UTF-8 Hi Thomas, I am chosen to implement the disk in FAT format. Drawing inspiration from your code I have tried to do disk writing operations but instead of V1_LWT.BLOCK I have chosen to go wo with V1_LWT.FS because for the api but the write performance I get is very poor. I takes more than 11 sec to upload a 67Kb file. The file is uploaded quickly but the time taken to write to disk is long hence they delay. Much of my implementation is similar to this code https://github.com/0install/0repo-queue/blob/master/upload_queue.ml#L159-L172 the difference comes in the *flush_page_buffer* . Since I am using V1_LWT.FS I use FS.write call to write the data to the disk i.e. > *buffered_data *= Cstruct.sub page_buffer 0 !page_buffer_offset Fs.write fs path !file_offset *buffered_data * How can I improve the performance ? Note: I am testing this using --unix Regards, Vansh On Sun, Feb 7, 2016 at 11:28 PM, Thomas Leonard wrote: > On 6 February 2016 at 20:48, Vanshdeep Singh wrote: > > Hi, > > I am trying to build a sample file storage web app and I am need some > > directions > > on how to approach it, particularly I am trying to figure out how to do > > storage. > > Currently, I am drawing my insight from here and here (irmin). Any kind > of > > suggestion > > would be really helpful. > > > > NOTE: files of any size could be uploaded so I am aiming at streaming > > uploads/downloads. > > Hi Vansh, > > Currently, FAT is the only supported file-system on Mirage/Xen: > > https://github.com/mirage/ocaml-fat > > If your needs are simpler then you could also implement your own > scheme. The file queue example you linked just stores the files > sequentially on the disk, which is fine for a queue. > > If you want to help build something better (e.g. to support Irmin), > the ocaml-btree project is under development: > > > http://lists.xenproject.org/archives/html/mirageos-devel/2016-01/msg00059.html > > > -- > Dr Thomas Leonard http://roscidus.com/blog/ > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > --001a1144308cb09cdb052b7f8b12 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi Thomas,
I am chosen to implement the disk in FAT fo= rmat. Drawing inspiration from your code I
have tried to do disk = writing operations but instead of V1_LWT.BLOCK I have chosen to
g= o wo with V1_LWT.FS because for the api but the write performance I get is = very poor.
I takes more than 11 sec to upload a 67Kb file. The fi= le is uploaded quickly but the time=C2=A0
taken to write to disk = is long hence they delay.

Much of my implementatio= n is similar to this code
the= difference comes in the flush_page_buffer . Since I am using V1_LWT= .FS I use
FS.write call to write the data to the disk i.e.
=C2=A0
buffered_data =3D Cstruct.sub p= age_buffer 0 !page_buffer_offset
Fs.write fs p= ath !file_offset buffered_data=C2=A0


How can I improve the performance ?

Note: I am testing this using --unix


<= div>Regards,
Vansh

On Sun, Feb 7, 2016 at 11:28 PM, Thomas Leonard <tal= ex5@gmail.com> wrote:
On 6 February 2016 at 20:48, Vanshdeep Singh <kansi13@gmail.com> wrote:
> Hi,
> I am trying to build a sample file storage web app and I am need some<= br> > directions
> on how to approach it, particularly I am trying to figure out how to d= o
> storage.
> Currently, I am drawing my insight from here and here (irmin). Any kin= d of
> suggestion
> would be really helpful.
>
> NOTE: files of any size could be uploaded so I am aiming at streaming<= br> > uploads/downloads.

Hi Vansh,

Currently, FAT is the only supported file-system on Mirage/Xen:

=C2=A0 https://github.com/mirage/ocaml-fat

If your needs are simpler then you could also implement your own
scheme. The file queue example you linked just stores the files
sequentially on the disk, which is fine for a queue.

If you want to help build something better (e.g. to support Irmin),
the ocaml-btree project is under development:

http://lists.xenprojec= t.org/archives/html/mirageos-devel/2016-01/msg00059.html


--
Dr Thomas Leonard=C2=A0 =C2=A0 =C2=A0 =C2=A0 http://roscidus.com/blog/<= br> GPG: DA98 25AE CAD0 8975 7CDA=C2=A0 BD8E 0713 3F96 CA74 D8BA

--001a1144308cb09cdb052b7f8b12-- --===============3870224669770266321== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============3870224669770266321==-- From mirageos-devel-bounces@lists.xenproject.org Thu Feb 11 14:41:48 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 11 Feb 2016 14:41:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aTsR3-0006Cx-3D; Thu, 11 Feb 2016 14:41:33 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aTsR0-0006Cs-S2 for mirageos-devel@lists.xenproject.org; Thu, 11 Feb 2016 14:41:31 +0000 Received: from [85.158.143.35] by server-3.bemta-4.messagelabs.com id 0F/72-31122-99D9CB65; Thu, 11 Feb 2016 14:41:29 +0000 X-Env-Sender: kansi13@gmail.com X-Msg-Ref: server-10.tower-21.messagelabs.com!1455201688!15232293!1 X-Originating-IP: [74.125.82.54] X-SpamReason: No, hits=1.2 required=7.0 tests=HTML_40_50,HTML_MESSAGE, MAILTO_TO_SPAM_ADDR,RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 62100 invoked from network); 11 Feb 2016 14:41:28 -0000 Received: from mail-wm0-f54.google.com (HELO mail-wm0-f54.google.com) (74.125.82.54) by server-10.tower-21.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 11 Feb 2016 14:41:28 -0000 Received: by mail-wm0-f54.google.com with SMTP id g62so24159296wme.0 for ; Thu, 11 Feb 2016 06:41:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=ChbmkdnDJrL/EsZT92/Gz84xBwnjXuL3E/OhGXp8/z8=; b=v426XycDy266JP7xK1cTpNUGoajzPCZOWvuzE9iyJmWU4c5/SWGlPA+Rj7R+sCWixA RJE+V7FPeuj8mBJNsqLNkNookuwKAPZ0YuZedZYQUNeYK3rM8PmU+KcoM+rwIpcDU28x lsrhyH5jiSaZk2ygTB4TDZ30nxuq4gclmXkIBoX8DSQdb6PhOiklzE+2FkHsqTrOwKSe KOpn2t3nf4S+i9QvkCgWzB2XNo6payRxsr3Yz76Rt9xfnDT3/u2wKrRtkhNUdtS+wtyC vVnAJV4iIPCh0ShHRY22NwqF1uMuztiKA1M6/t4NyetRNczBP9u/l16WOpxDRJCwJC2R Mwug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=ChbmkdnDJrL/EsZT92/Gz84xBwnjXuL3E/OhGXp8/z8=; b=JKBup1AhJfedUngAfetHmpQgZiWR55LUesOlS+SaI0pWXj/I2INe3xml3Hq0A06Rkw L/XXxs3gf5rBOKdznSO88XvcZXyBTvsxdmqx4OJwJhJ9GelcaMvagBnu+3SxNQONem9u 3zFBFrGcbrHwwkf7Q/Uiawg5Ovq8Jn3foosk2QUDibTKQd+MESCsxs9WF55wqQnOzHYO LjHaufO1nTtq8JDQAIP5KGysZ9Au3OWF/GCrBCs4AUQEKSKLoT2/buUXyXS1NDuSW/mD V6EG22zzacPKa7mIEs8/W4Wl3impG7hV84U58nZty4YyQ/6yR9sBqNo2g7vfhr5JV4eh LlGA== X-Gm-Message-State: AG10YOQLGwgzwkpxsT6j/l/Pmd5ZA/Vi+P/iK8/LiFQ/DElb+j9gZk+KxxqG3OJVAeUeIgUM9Q8oHpxlnd3lcg== MIME-Version: 1.0 X-Received: by 10.28.87.135 with SMTP id l129mr18859970wmb.9.1455201687999; Thu, 11 Feb 2016 06:41:27 -0800 (PST) Received: by 10.28.104.9 with HTTP; Thu, 11 Feb 2016 06:41:27 -0800 (PST) In-Reply-To: References: Date: Thu, 11 Feb 2016 20:11:27 +0530 Message-ID: From: Vanshdeep Singh To: Thomas Leonard Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Building a sample File storage app X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3870224669770266321==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============3870224669770266321== Content-Type: multipart/alternative; boundary=001a1144308cb09cdb052b7f8b12 --001a1144308cb09cdb052b7f8b12 Content-Type: text/plain; charset=UTF-8 Hi Thomas, I am chosen to implement the disk in FAT format. Drawing inspiration from your code I have tried to do disk writing operations but instead of V1_LWT.BLOCK I have chosen to go wo with V1_LWT.FS because for the api but the write performance I get is very poor. I takes more than 11 sec to upload a 67Kb file. The file is uploaded quickly but the time taken to write to disk is long hence they delay. Much of my implementation is similar to this code https://github.com/0install/0repo-queue/blob/master/upload_queue.ml#L159-L172 the difference comes in the *flush_page_buffer* . Since I am using V1_LWT.FS I use FS.write call to write the data to the disk i.e. > *buffered_data *= Cstruct.sub page_buffer 0 !page_buffer_offset Fs.write fs path !file_offset *buffered_data * How can I improve the performance ? Note: I am testing this using --unix Regards, Vansh On Sun, Feb 7, 2016 at 11:28 PM, Thomas Leonard wrote: > On 6 February 2016 at 20:48, Vanshdeep Singh wrote: > > Hi, > > I am trying to build a sample file storage web app and I am need some > > directions > > on how to approach it, particularly I am trying to figure out how to do > > storage. > > Currently, I am drawing my insight from here and here (irmin). Any kind > of > > suggestion > > would be really helpful. > > > > NOTE: files of any size could be uploaded so I am aiming at streaming > > uploads/downloads. > > Hi Vansh, > > Currently, FAT is the only supported file-system on Mirage/Xen: > > https://github.com/mirage/ocaml-fat > > If your needs are simpler then you could also implement your own > scheme. The file queue example you linked just stores the files > sequentially on the disk, which is fine for a queue. > > If you want to help build something better (e.g. to support Irmin), > the ocaml-btree project is under development: > > > http://lists.xenproject.org/archives/html/mirageos-devel/2016-01/msg00059.html > > > -- > Dr Thomas Leonard http://roscidus.com/blog/ > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > --001a1144308cb09cdb052b7f8b12 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi Thomas,
I am chosen to implement the disk in FAT fo= rmat. Drawing inspiration from your code I
have tried to do disk = writing operations but instead of V1_LWT.BLOCK I have chosen to
g= o wo with V1_LWT.FS because for the api but the write performance I get is = very poor.
I takes more than 11 sec to upload a 67Kb file. The fi= le is uploaded quickly but the time=C2=A0
taken to write to disk = is long hence they delay.

Much of my implementatio= n is similar to this code
the= difference comes in the flush_page_buffer . Since I am using V1_LWT= .FS I use
FS.write call to write the data to the disk i.e.
=C2=A0
buffered_data =3D Cstruct.sub p= age_buffer 0 !page_buffer_offset
Fs.write fs p= ath !file_offset buffered_data=C2=A0


How can I improve the performance ?

Note: I am testing this using --unix


<= div>Regards,
Vansh

On Sun, Feb 7, 2016 at 11:28 PM, Thomas Leonard <tal= ex5@gmail.com> wrote:
On 6 February 2016 at 20:48, Vanshdeep Singh <kansi13@gmail.com> wrote:
> Hi,
> I am trying to build a sample file storage web app and I am need some<= br> > directions
> on how to approach it, particularly I am trying to figure out how to d= o
> storage.
> Currently, I am drawing my insight from here and here (irmin). Any kin= d of
> suggestion
> would be really helpful.
>
> NOTE: files of any size could be uploaded so I am aiming at streaming<= br> > uploads/downloads.

Hi Vansh,

Currently, FAT is the only supported file-system on Mirage/Xen:

=C2=A0 https://github.com/mirage/ocaml-fat

If your needs are simpler then you could also implement your own
scheme. The file queue example you linked just stores the files
sequentially on the disk, which is fine for a queue.

If you want to help build something better (e.g. to support Irmin),
the ocaml-btree project is under development:

http://lists.xenprojec= t.org/archives/html/mirageos-devel/2016-01/msg00059.html


--
Dr Thomas Leonard=C2=A0 =C2=A0 =C2=A0 =C2=A0 http://roscidus.com/blog/<= br> GPG: DA98 25AE CAD0 8975 7CDA=C2=A0 BD8E 0713 3F96 CA74 D8BA

--001a1144308cb09cdb052b7f8b12-- --===============3870224669770266321== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============3870224669770266321==-- From mirageos-devel-bounces@lists.xenproject.org Fri Feb 12 05:57:04 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 12 Feb 2016 05:57:04 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aU6it-0002xP-QH; Fri, 12 Feb 2016 05:56:55 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aU6ir-0002xK-OP for mirageos-devel@lists.xenproject.org; Fri, 12 Feb 2016 05:56:53 +0000 Received: from [85.158.139.211] by server-4.bemta-5.messagelabs.com id 1B/65-12635-5247DB65; Fri, 12 Feb 2016 05:56:53 +0000 X-Env-Sender: kansi13@gmail.com X-Msg-Ref: server-10.tower-206.messagelabs.com!1455256611!21846730!1 X-Originating-IP: [74.125.82.49] X-SpamReason: No, hits=1.2 required=7.0 tests=HTML_40_50,HTML_MESSAGE, MAILTO_TO_SPAM_ADDR,RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 48901 invoked from network); 12 Feb 2016 05:56:51 -0000 Received: from mail-wm0-f49.google.com (HELO mail-wm0-f49.google.com) (74.125.82.49) by server-10.tower-206.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 12 Feb 2016 05:56:51 -0000 Received: by mail-wm0-f49.google.com with SMTP id 128so48540015wmz.1 for ; Thu, 11 Feb 2016 21:56:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=bhw8Tppi4q/1/fFTU7wuN7bkKj/rtON1iP4valBZWmg=; b=sH/k6hxQ0FScxAFChpx7kKQOKM3KWLrzeg8SdjPSngiKLfweQ50pv0tKChd1AOlV1H Da/BQegbl1/PnBUuyDTPDvUXqXj/bv0S3zBuf1s4BiNFOJ0QaBcgvlmEF9iMYGS0ilVs 2P0OOn3xPYMir56juQm2sTyTdTOEJ1ePF7NJ8n3DaPUhXgbxWmiANFlbMTtpcbabaxTW 8QZknslFJs4UFA4NqSRHd1P70A/crJh1Av5f1mwlbhm0YvkK5AZJYHeAXJ1jagiXdlWq R0LSUmquOUBfa1/pcEX+pLOFWrcAWLdoZ/Ae11/of3FDK6XjRJKwx1Fr0pRzVStiyHHQ JT+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=bhw8Tppi4q/1/fFTU7wuN7bkKj/rtON1iP4valBZWmg=; b=JBZgffGYgAGmIkYMJoZoKzgzdrRkesxcDJhhzqLChPgzakAWYizr0xX1FuMwQ2bQeK +5pmPuGliohRwMZ00YKqSuvOzLrp4DiOr0nNnJJnL3YdRhSePSTD5jOwoTsi2Tp/WIa7 mUqTZIy5SDYke9YHGvxyTYF6mJNsSj+Oxx2ws9eVbYRFKTmRrT+pXemSPOM2KPusKO8c 8eVj7BEIIi0iEVWG+MApgUGIw6GMmnmnpyBFz+magg8mJVCI0PQgQmxCrHtTzKeVqB1o 4i7Aga8rtcl7IvwpUp41p8kWqMTglVYCCNB+6KMRuXdEAbTSBXNFIu2d2Yk5d7jDKbMm ntdQ== X-Gm-Message-State: AG10YOTppmMaa5cDb0c9OUhRxUEQPpihucgIM9sIY31NDY4egfGnJshOt/Ro2AEiz/+AhQEAVCfBvXcrPHpdXQ== MIME-Version: 1.0 X-Received: by 10.28.144.196 with SMTP id s187mr2382421wmd.9.1455256611259; Thu, 11 Feb 2016 21:56:51 -0800 (PST) Received: by 10.28.104.9 with HTTP; Thu, 11 Feb 2016 21:56:51 -0800 (PST) In-Reply-To: References: Date: Fri, 12 Feb 2016 11:26:51 +0530 Message-ID: From: Vanshdeep Singh To: Thomas Leonard Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Building a sample File storage app X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2556118021882574224==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============2556118021882574224== Content-Type: multipart/alternative; boundary=001a114737885f0d77052b8c5549 --001a114737885f0d77052b8c5549 Content-Type: text/plain; charset=UTF-8 Hi, I tried running the my implementation directly on xen and performance was much better (no idea why). But I have run into new issues, - Tried creating a disk of size 1000Mb using "fat create disk.img 102400KiB" and it returned "fat: unimplemented" even though the disk was created. Then I tried running it on the xen and got an error after I ran the image on xen, Fatal error: exception Fs.Make(B)(M).Fs_error(_) Raised at file "src/core/lwt.ml", line 789, characters 22-23 ... - I also tried uploading a file with size around 30MiB onto a disk.img of size 100MiB. The hanged after writing 4Mb of data. Any suggestion on how to deal with the above situations ? Regards, Vansh On Thu, Feb 11, 2016 at 8:11 PM, Vanshdeep Singh wrote: > Hi Thomas, > I am chosen to implement the disk in FAT format. Drawing inspiration from > your code I > have tried to do disk writing operations but instead of V1_LWT.BLOCK I > have chosen to > go wo with V1_LWT.FS because for the api but the write performance I get > is very poor. > I takes more than 11 sec to upload a 67Kb file. The file is uploaded > quickly but the time > taken to write to disk is long hence they delay. > > Much of my implementation is similar to this code > > https://github.com/0install/0repo-queue/blob/master/upload_queue.ml#L159-L172 > the difference comes in the *flush_page_buffer* . Since I am using > V1_LWT.FS I use > FS.write > call to write the data to the disk i.e. > > >> *buffered_data *= Cstruct.sub page_buffer 0 !page_buffer_offset > > Fs.write fs path !file_offset *buffered_data * > > > > How can I improve the performance ? > > Note: I am testing this using --unix > > > Regards, > Vansh > > On Sun, Feb 7, 2016 at 11:28 PM, Thomas Leonard wrote: > >> On 6 February 2016 at 20:48, Vanshdeep Singh wrote: >> > Hi, >> > I am trying to build a sample file storage web app and I am need some >> > directions >> > on how to approach it, particularly I am trying to figure out how to do >> > storage. >> > Currently, I am drawing my insight from here and here (irmin). Any kind >> of >> > suggestion >> > would be really helpful. >> > >> > NOTE: files of any size could be uploaded so I am aiming at streaming >> > uploads/downloads. >> >> Hi Vansh, >> >> Currently, FAT is the only supported file-system on Mirage/Xen: >> >> https://github.com/mirage/ocaml-fat >> >> If your needs are simpler then you could also implement your own >> scheme. The file queue example you linked just stores the files >> sequentially on the disk, which is fine for a queue. >> >> If you want to help build something better (e.g. to support Irmin), >> the ocaml-btree project is under development: >> >> >> http://lists.xenproject.org/archives/html/mirageos-devel/2016-01/msg00059.html >> >> >> -- >> Dr Thomas Leonard http://roscidus.com/blog/ >> GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA >> > > --001a114737885f0d77052b8c5549 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi,
I tried running the my implementation directly on = xen and performance was much better (no idea why).
But I have run= into new issues,
- Tried creating a disk of size 1000Mb using &q= uot;fat create disk.img 102400KiB" and it returned
"fat= : unimplemented" even though the disk was created. Then I tried runnin= g it on the xen and got an
error after I ran the image on xen,
Fatal error: exception Fs.Make(B)(M).Fs_error(_)
Raised a= t file "src/core/lwt.ml", line 789,= characters 22-23
...

- I also tried upl= oading a file with size around 30MiB onto a disk.img of size 100MiB. The ha= nged
after writing 4Mb of data.


Any suggestion on how to deal with the above situations ?
=

Regards,
Vansh

=

On Thu, Feb= 11, 2016 at 8:11 PM, Vanshdeep Singh <kansi13@gmail.com> wr= ote:
Hi Thomas,
I am= chosen to implement the disk in FAT format. Drawing inspiration from your = code I
have tried to do disk writing operations but instead of V1= _LWT.BLOCK I have chosen to
go wo with V1_LWT.FS because for the = api but the write performance I get is very poor.
I takes more th= an 11 sec to upload a 67Kb file. The file is uploaded quickly but the time= =C2=A0
taken to write to disk is long hence they delay.

Much of my implementation is similar to this code
https://github.com/0install/0repo-queue/b= lob/master/upload_queue.ml#L159-L172
the difference comes= in the flush_page_buffer . Since I am using V1_LWT.FS I use
FS.write call to write the data to the disk i.e.
=C2=A0
buffered_data =3D Cstruct.sub = page_buffer 0 !page_buffer_offset
Fs.write fs = path !file_offset buffered_data=C2=A0


How can I improve the performance ?

Note: I am testing this using --unix


=
Regards,
Vansh

On Sun, F= eb 7, 2016 at 11:28 PM, Thomas Leonard <talex5@gmail.com> wro= te:
On 6 February 2016 at 20:48, Va= nshdeep Singh <ka= nsi13@gmail.com> wrote:
> Hi,
> I am trying to build a sample file storage web app and I am need some<= br> > directions
> on how to approach it, particularly I am trying to figure out how to d= o
> storage.
> Currently, I am drawing my insight from here and here (irmin). Any kin= d of
> suggestion
> would be really helpful.
>
> NOTE: files of any size could be uploaded so I am aiming at streaming<= br> > uploads/downloads.

Hi Vansh,

Currently, FAT is the only supported file-system on Mirage/Xen:

=C2=A0 https://github.com/mirage/ocaml-fat

If your needs are simpler then you could also implement your own
scheme. The file queue example you linked just stores the files
sequentially on the disk, which is fine for a queue.

If you want to help build something better (e.g. to support Irmin),
the ocaml-btree project is under development:

http://lists.xenprojec= t.org/archives/html/mirageos-devel/2016-01/msg00059.html


--
Dr Thomas Leonard=C2=A0 =C2=A0 =C2=A0 =C2=A0 http://roscidus.com/blog/<= br> GPG: DA98 25AE CAD0 8975 7CDA=C2=A0 BD8E 0713 3F96 CA74 D8BA


--001a114737885f0d77052b8c5549-- --===============2556118021882574224== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============2556118021882574224==-- From mirageos-devel-bounces@lists.xenproject.org Fri Feb 12 05:57:04 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 12 Feb 2016 05:57:04 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aU6it-0002xP-QH; Fri, 12 Feb 2016 05:56:55 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aU6ir-0002xK-OP for mirageos-devel@lists.xenproject.org; Fri, 12 Feb 2016 05:56:53 +0000 Received: from [85.158.139.211] by server-4.bemta-5.messagelabs.com id 1B/65-12635-5247DB65; Fri, 12 Feb 2016 05:56:53 +0000 X-Env-Sender: kansi13@gmail.com X-Msg-Ref: server-10.tower-206.messagelabs.com!1455256611!21846730!1 X-Originating-IP: [74.125.82.49] X-SpamReason: No, hits=1.2 required=7.0 tests=HTML_40_50,HTML_MESSAGE, MAILTO_TO_SPAM_ADDR,RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 48901 invoked from network); 12 Feb 2016 05:56:51 -0000 Received: from mail-wm0-f49.google.com (HELO mail-wm0-f49.google.com) (74.125.82.49) by server-10.tower-206.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 12 Feb 2016 05:56:51 -0000 Received: by mail-wm0-f49.google.com with SMTP id 128so48540015wmz.1 for ; Thu, 11 Feb 2016 21:56:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=bhw8Tppi4q/1/fFTU7wuN7bkKj/rtON1iP4valBZWmg=; b=sH/k6hxQ0FScxAFChpx7kKQOKM3KWLrzeg8SdjPSngiKLfweQ50pv0tKChd1AOlV1H Da/BQegbl1/PnBUuyDTPDvUXqXj/bv0S3zBuf1s4BiNFOJ0QaBcgvlmEF9iMYGS0ilVs 2P0OOn3xPYMir56juQm2sTyTdTOEJ1ePF7NJ8n3DaPUhXgbxWmiANFlbMTtpcbabaxTW 8QZknslFJs4UFA4NqSRHd1P70A/crJh1Av5f1mwlbhm0YvkK5AZJYHeAXJ1jagiXdlWq R0LSUmquOUBfa1/pcEX+pLOFWrcAWLdoZ/Ae11/of3FDK6XjRJKwx1Fr0pRzVStiyHHQ JT+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=bhw8Tppi4q/1/fFTU7wuN7bkKj/rtON1iP4valBZWmg=; b=JBZgffGYgAGmIkYMJoZoKzgzdrRkesxcDJhhzqLChPgzakAWYizr0xX1FuMwQ2bQeK +5pmPuGliohRwMZ00YKqSuvOzLrp4DiOr0nNnJJnL3YdRhSePSTD5jOwoTsi2Tp/WIa7 mUqTZIy5SDYke9YHGvxyTYF6mJNsSj+Oxx2ws9eVbYRFKTmRrT+pXemSPOM2KPusKO8c 8eVj7BEIIi0iEVWG+MApgUGIw6GMmnmnpyBFz+magg8mJVCI0PQgQmxCrHtTzKeVqB1o 4i7Aga8rtcl7IvwpUp41p8kWqMTglVYCCNB+6KMRuXdEAbTSBXNFIu2d2Yk5d7jDKbMm ntdQ== X-Gm-Message-State: AG10YOTppmMaa5cDb0c9OUhRxUEQPpihucgIM9sIY31NDY4egfGnJshOt/Ro2AEiz/+AhQEAVCfBvXcrPHpdXQ== MIME-Version: 1.0 X-Received: by 10.28.144.196 with SMTP id s187mr2382421wmd.9.1455256611259; Thu, 11 Feb 2016 21:56:51 -0800 (PST) Received: by 10.28.104.9 with HTTP; Thu, 11 Feb 2016 21:56:51 -0800 (PST) In-Reply-To: References: Date: Fri, 12 Feb 2016 11:26:51 +0530 Message-ID: From: Vanshdeep Singh To: Thomas Leonard Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Building a sample File storage app X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2556118021882574224==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============2556118021882574224== Content-Type: multipart/alternative; boundary=001a114737885f0d77052b8c5549 --001a114737885f0d77052b8c5549 Content-Type: text/plain; charset=UTF-8 Hi, I tried running the my implementation directly on xen and performance was much better (no idea why). But I have run into new issues, - Tried creating a disk of size 1000Mb using "fat create disk.img 102400KiB" and it returned "fat: unimplemented" even though the disk was created. Then I tried running it on the xen and got an error after I ran the image on xen, Fatal error: exception Fs.Make(B)(M).Fs_error(_) Raised at file "src/core/lwt.ml", line 789, characters 22-23 ... - I also tried uploading a file with size around 30MiB onto a disk.img of size 100MiB. The hanged after writing 4Mb of data. Any suggestion on how to deal with the above situations ? Regards, Vansh On Thu, Feb 11, 2016 at 8:11 PM, Vanshdeep Singh wrote: > Hi Thomas, > I am chosen to implement the disk in FAT format. Drawing inspiration from > your code I > have tried to do disk writing operations but instead of V1_LWT.BLOCK I > have chosen to > go wo with V1_LWT.FS because for the api but the write performance I get > is very poor. > I takes more than 11 sec to upload a 67Kb file. The file is uploaded > quickly but the time > taken to write to disk is long hence they delay. > > Much of my implementation is similar to this code > > https://github.com/0install/0repo-queue/blob/master/upload_queue.ml#L159-L172 > the difference comes in the *flush_page_buffer* . Since I am using > V1_LWT.FS I use > FS.write > call to write the data to the disk i.e. > > >> *buffered_data *= Cstruct.sub page_buffer 0 !page_buffer_offset > > Fs.write fs path !file_offset *buffered_data * > > > > How can I improve the performance ? > > Note: I am testing this using --unix > > > Regards, > Vansh > > On Sun, Feb 7, 2016 at 11:28 PM, Thomas Leonard wrote: > >> On 6 February 2016 at 20:48, Vanshdeep Singh wrote: >> > Hi, >> > I am trying to build a sample file storage web app and I am need some >> > directions >> > on how to approach it, particularly I am trying to figure out how to do >> > storage. >> > Currently, I am drawing my insight from here and here (irmin). Any kind >> of >> > suggestion >> > would be really helpful. >> > >> > NOTE: files of any size could be uploaded so I am aiming at streaming >> > uploads/downloads. >> >> Hi Vansh, >> >> Currently, FAT is the only supported file-system on Mirage/Xen: >> >> https://github.com/mirage/ocaml-fat >> >> If your needs are simpler then you could also implement your own >> scheme. The file queue example you linked just stores the files >> sequentially on the disk, which is fine for a queue. >> >> If you want to help build something better (e.g. to support Irmin), >> the ocaml-btree project is under development: >> >> >> http://lists.xenproject.org/archives/html/mirageos-devel/2016-01/msg00059.html >> >> >> -- >> Dr Thomas Leonard http://roscidus.com/blog/ >> GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA >> > > --001a114737885f0d77052b8c5549 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi,
I tried running the my implementation directly on = xen and performance was much better (no idea why).
But I have run= into new issues,
- Tried creating a disk of size 1000Mb using &q= uot;fat create disk.img 102400KiB" and it returned
"fat= : unimplemented" even though the disk was created. Then I tried runnin= g it on the xen and got an
error after I ran the image on xen,
Fatal error: exception Fs.Make(B)(M).Fs_error(_)
Raised a= t file "src/core/lwt.ml", line 789,= characters 22-23
...

- I also tried upl= oading a file with size around 30MiB onto a disk.img of size 100MiB. The ha= nged
after writing 4Mb of data.


Any suggestion on how to deal with the above situations ?
=

Regards,
Vansh

=

On Thu, Feb= 11, 2016 at 8:11 PM, Vanshdeep Singh <kansi13@gmail.com> wr= ote:
Hi Thomas,
I am= chosen to implement the disk in FAT format. Drawing inspiration from your = code I
have tried to do disk writing operations but instead of V1= _LWT.BLOCK I have chosen to
go wo with V1_LWT.FS because for the = api but the write performance I get is very poor.
I takes more th= an 11 sec to upload a 67Kb file. The file is uploaded quickly but the time= =C2=A0
taken to write to disk is long hence they delay.

Much of my implementation is similar to this code
https://github.com/0install/0repo-queue/b= lob/master/upload_queue.ml#L159-L172
the difference comes= in the flush_page_buffer . Since I am using V1_LWT.FS I use
FS.write call to write the data to the disk i.e.
=C2=A0
buffered_data =3D Cstruct.sub = page_buffer 0 !page_buffer_offset
Fs.write fs = path !file_offset buffered_data=C2=A0


How can I improve the performance ?

Note: I am testing this using --unix


=
Regards,
Vansh

On Sun, F= eb 7, 2016 at 11:28 PM, Thomas Leonard <talex5@gmail.com> wro= te:
On 6 February 2016 at 20:48, Va= nshdeep Singh <ka= nsi13@gmail.com> wrote:
> Hi,
> I am trying to build a sample file storage web app and I am need some<= br> > directions
> on how to approach it, particularly I am trying to figure out how to d= o
> storage.
> Currently, I am drawing my insight from here and here (irmin). Any kin= d of
> suggestion
> would be really helpful.
>
> NOTE: files of any size could be uploaded so I am aiming at streaming<= br> > uploads/downloads.

Hi Vansh,

Currently, FAT is the only supported file-system on Mirage/Xen:

=C2=A0 https://github.com/mirage/ocaml-fat

If your needs are simpler then you could also implement your own
scheme. The file queue example you linked just stores the files
sequentially on the disk, which is fine for a queue.

If you want to help build something better (e.g. to support Irmin),
the ocaml-btree project is under development:

http://lists.xenprojec= t.org/archives/html/mirageos-devel/2016-01/msg00059.html


--
Dr Thomas Leonard=C2=A0 =C2=A0 =C2=A0 =C2=A0 http://roscidus.com/blog/<= br> GPG: DA98 25AE CAD0 8975 7CDA=C2=A0 BD8E 0713 3F96 CA74 D8BA


--001a114737885f0d77052b8c5549-- --===============2556118021882574224== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============2556118021882574224==-- From mirageos-devel-bounces@lists.xenproject.org Fri Feb 12 07:44:51 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 12 Feb 2016 07:44:51 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aU8PF-0006Rf-03; Fri, 12 Feb 2016 07:44:45 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aU8PD-0006R4-Aw for mirageos-devel@lists.xenproject.org; Fri, 12 Feb 2016 07:44:43 +0000 Received: from [85.158.139.211] by server-9.bemta-5.messagelabs.com id 43/EA-29478-A6D8DB65; Fri, 12 Feb 2016 07:44:42 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-11.tower-206.messagelabs.com!1455263080!9603487!1 X-Originating-IP: [209.85.213.46] X-SpamReason: No, hits=1.1 required=7.0 tests=BODY_RANDOM_LONG, MAILTO_TO_SPAM_ADDR,RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 13172 invoked from network); 12 Feb 2016 07:44:41 -0000 Received: from mail-vk0-f46.google.com (HELO mail-vk0-f46.google.com) (209.85.213.46) by server-11.tower-206.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 12 Feb 2016 07:44:41 -0000 Received: by mail-vk0-f46.google.com with SMTP id c3so55015981vkb.3 for ; Thu, 11 Feb 2016 23:44:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=W/n+hWQehmTeGyds5kaOcBEn96BWrhdkAXYcJaYU7ME=; b=eVOVf8cfhEWvx2jmFLMCOy4jdkAzJrdMKObIrB0cQNwqdfiNLUgNfHEofCGZCmjFkn o2cBQYpWmGSv80zsngTBeiMVgj9d3RI1c1cGs/PiDvkmSSHaynr0V/3tBvhIdNwJXfrl UfzZghAcW+ytZ329mwFcwE1hnbGG4YvY7KN9oFg1tJ87M2OEVbtBblTnOVwXDxnet3+Q XvHP5QoAZHzHVMhEMBiGPAQSbjANpZx87bpxDvAkY+U2lqGDM9LN8ElgbyRtep5x185w bFoLJJWfBxs3eJviU56SYsVbSpAXgmA9sf7utDGkweO/c5hDgZ7o4CoPrhP+CwurdPK2 Ok2w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=W/n+hWQehmTeGyds5kaOcBEn96BWrhdkAXYcJaYU7ME=; b=JdZ/seImSG56yR7ZxAnoouMX2NRgnto4OQqreMNTE1uOkXwnY2nI9Dybi7Spf5a1yW EMddK1V4MdodZBycXbWvoUnbrOfGol95ITK3TxTogH70SALPMYtfqnLE5J3UXs4kqCx6 MMejwk6uPbVAdR9Vf8qwsu74BaEB+CvABSFmQ/TOgUe3EE9DVtUDwV0BUV+ThL/+L6l4 aMTAs3PP3LEkKljiTY/LPeTGcIvJRSrHdEBFyYrvvDldlNzh746Ovz9erQQImcms182L kfI6WhSuyr2cZsfsJghW2XwsxZAQLK7yVYQejiejKOOSBnxPNAJ+Dd7nxYJ6uiJAcfC7 a7cw== X-Gm-Message-State: AG10YOTlqdaWfj2qe8+DwsbnRUzBxLXTUUsGVZcK3olgluDgGK+xJtIxKmWuHZTDTnAm7aRNKQSzNGrhu3vvtA== MIME-Version: 1.0 X-Received: by 10.31.47.200 with SMTP id v191mr76496vkv.116.1455263080690; Thu, 11 Feb 2016 23:44:40 -0800 (PST) Received: by 10.31.130.129 with HTTP; Thu, 11 Feb 2016 23:44:40 -0800 (PST) In-Reply-To: References: Date: Fri, 12 Feb 2016 07:44:40 +0000 Message-ID: From: Thomas Leonard To: Vanshdeep Singh Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Building a sample File storage app X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 12 February 2016 at 05:56, Vanshdeep Singh wrote: > Hi, > I tried running the my implementation directly on xen and performance was > much better (no idea why). > But I have run into new issues, > - Tried creating a disk of size 1000Mb using "fat create disk.img 102400KiB" > and it returned > "fat: unimplemented" even though the disk was created. Boot_sector.format_of_clusters will choose FAT32 if it needs 65527 or more clusters. However, it appears that only FAT16 is implemented. I'm not sure what changes are required for FAT32. For testing, you could format it with mkfs (mkfs -t fat disk.img), but I guess you'll have the same problem using it. > Then I tried running > it on the xen and got an > error after I ran the image on xen, > Fatal error: exception Fs.Make(B)(M).Fs_error(_) > Raised at file "src/core/lwt.ml", line 789, characters 22-23 Mirage error reporting really needs sorting out. For now, you could use Printexc.register_printer in fs.ml to tell it how to display the error as something other than "_". > - I also tried uploading a file with size around 30MiB onto a disk.img of > size 100MiB. The hanged > after writing 4Mb of data. > Any suggestion on how to deal with the above situations ? Was it spinning (high CPU load shown in "xl list") or waiting for something (idle)? If spinning, you can grab a stack trace to find out where: http://www.brendangregg.com/blog/2016-01-27/unikernel-profiling-from-dom0.html If it's waiting for something, annotate your main thread with MProf.Trace.should_resolve and compile with tracing on. When you view the trace, your thread (which never finishes) will be shown in red and you can follow the yellow arrows to discover what it was waiting for. See: https://mirage.io/wiki/profiling Both of these techniques may be useful for finding performance problems too. > Regards, > Vansh > > > On Thu, Feb 11, 2016 at 8:11 PM, Vanshdeep Singh wrote: >> >> Hi Thomas, >> I am chosen to implement the disk in FAT format. Drawing inspiration from >> your code I >> have tried to do disk writing operations but instead of V1_LWT.BLOCK I >> have chosen to >> go wo with V1_LWT.FS because for the api but the write performance I get >> is very poor. >> I takes more than 11 sec to upload a 67Kb file. The file is uploaded >> quickly but the time >> taken to write to disk is long hence they delay. >> >> Much of my implementation is similar to this code >> >> https://github.com/0install/0repo-queue/blob/master/upload_queue.ml#L159-L172 >> the difference comes in the flush_page_buffer . Since I am using V1_LWT.FS >> I use >> FS.write call to write the data to the disk i.e. >> >>> >>> buffered_data = Cstruct.sub page_buffer 0 !page_buffer_offset >>> >>> Fs.write fs path !file_offset buffered_data >> >> >> >> How can I improve the performance ? >> >> Note: I am testing this using --unix >> >> >> Regards, >> Vansh >> >> On Sun, Feb 7, 2016 at 11:28 PM, Thomas Leonard wrote: >>> >>> On 6 February 2016 at 20:48, Vanshdeep Singh wrote: >>> > Hi, >>> > I am trying to build a sample file storage web app and I am need some >>> > directions >>> > on how to approach it, particularly I am trying to figure out how to do >>> > storage. >>> > Currently, I am drawing my insight from here and here (irmin). Any kind >>> > of >>> > suggestion >>> > would be really helpful. >>> > >>> > NOTE: files of any size could be uploaded so I am aiming at streaming >>> > uploads/downloads. >>> >>> Hi Vansh, >>> >>> Currently, FAT is the only supported file-system on Mirage/Xen: >>> >>> https://github.com/mirage/ocaml-fat >>> >>> If your needs are simpler then you could also implement your own >>> scheme. The file queue example you linked just stores the files >>> sequentially on the disk, which is fine for a queue. >>> >>> If you want to help build something better (e.g. to support Irmin), >>> the ocaml-btree project is under development: >>> >>> >>> http://lists.xenproject.org/archives/html/mirageos-devel/2016-01/msg00059.html >>> >>> >>> -- >>> Dr Thomas Leonard http://roscidus.com/blog/ >>> GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA >> >> > -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Feb 12 07:44:51 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 12 Feb 2016 07:44:51 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aU8PF-0006Rf-03; Fri, 12 Feb 2016 07:44:45 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aU8PD-0006R4-Aw for mirageos-devel@lists.xenproject.org; Fri, 12 Feb 2016 07:44:43 +0000 Received: from [85.158.139.211] by server-9.bemta-5.messagelabs.com id 43/EA-29478-A6D8DB65; Fri, 12 Feb 2016 07:44:42 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-11.tower-206.messagelabs.com!1455263080!9603487!1 X-Originating-IP: [209.85.213.46] X-SpamReason: No, hits=1.1 required=7.0 tests=BODY_RANDOM_LONG, MAILTO_TO_SPAM_ADDR,RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 13172 invoked from network); 12 Feb 2016 07:44:41 -0000 Received: from mail-vk0-f46.google.com (HELO mail-vk0-f46.google.com) (209.85.213.46) by server-11.tower-206.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 12 Feb 2016 07:44:41 -0000 Received: by mail-vk0-f46.google.com with SMTP id c3so55015981vkb.3 for ; Thu, 11 Feb 2016 23:44:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=W/n+hWQehmTeGyds5kaOcBEn96BWrhdkAXYcJaYU7ME=; b=eVOVf8cfhEWvx2jmFLMCOy4jdkAzJrdMKObIrB0cQNwqdfiNLUgNfHEofCGZCmjFkn o2cBQYpWmGSv80zsngTBeiMVgj9d3RI1c1cGs/PiDvkmSSHaynr0V/3tBvhIdNwJXfrl UfzZghAcW+ytZ329mwFcwE1hnbGG4YvY7KN9oFg1tJ87M2OEVbtBblTnOVwXDxnet3+Q XvHP5QoAZHzHVMhEMBiGPAQSbjANpZx87bpxDvAkY+U2lqGDM9LN8ElgbyRtep5x185w bFoLJJWfBxs3eJviU56SYsVbSpAXgmA9sf7utDGkweO/c5hDgZ7o4CoPrhP+CwurdPK2 Ok2w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=W/n+hWQehmTeGyds5kaOcBEn96BWrhdkAXYcJaYU7ME=; b=JdZ/seImSG56yR7ZxAnoouMX2NRgnto4OQqreMNTE1uOkXwnY2nI9Dybi7Spf5a1yW EMddK1V4MdodZBycXbWvoUnbrOfGol95ITK3TxTogH70SALPMYtfqnLE5J3UXs4kqCx6 MMejwk6uPbVAdR9Vf8qwsu74BaEB+CvABSFmQ/TOgUe3EE9DVtUDwV0BUV+ThL/+L6l4 aMTAs3PP3LEkKljiTY/LPeTGcIvJRSrHdEBFyYrvvDldlNzh746Ovz9erQQImcms182L kfI6WhSuyr2cZsfsJghW2XwsxZAQLK7yVYQejiejKOOSBnxPNAJ+Dd7nxYJ6uiJAcfC7 a7cw== X-Gm-Message-State: AG10YOTlqdaWfj2qe8+DwsbnRUzBxLXTUUsGVZcK3olgluDgGK+xJtIxKmWuHZTDTnAm7aRNKQSzNGrhu3vvtA== MIME-Version: 1.0 X-Received: by 10.31.47.200 with SMTP id v191mr76496vkv.116.1455263080690; Thu, 11 Feb 2016 23:44:40 -0800 (PST) Received: by 10.31.130.129 with HTTP; Thu, 11 Feb 2016 23:44:40 -0800 (PST) In-Reply-To: References: Date: Fri, 12 Feb 2016 07:44:40 +0000 Message-ID: From: Thomas Leonard To: Vanshdeep Singh Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Building a sample File storage app X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 12 February 2016 at 05:56, Vanshdeep Singh wrote: > Hi, > I tried running the my implementation directly on xen and performance was > much better (no idea why). > But I have run into new issues, > - Tried creating a disk of size 1000Mb using "fat create disk.img 102400KiB" > and it returned > "fat: unimplemented" even though the disk was created. Boot_sector.format_of_clusters will choose FAT32 if it needs 65527 or more clusters. However, it appears that only FAT16 is implemented. I'm not sure what changes are required for FAT32. For testing, you could format it with mkfs (mkfs -t fat disk.img), but I guess you'll have the same problem using it. > Then I tried running > it on the xen and got an > error after I ran the image on xen, > Fatal error: exception Fs.Make(B)(M).Fs_error(_) > Raised at file "src/core/lwt.ml", line 789, characters 22-23 Mirage error reporting really needs sorting out. For now, you could use Printexc.register_printer in fs.ml to tell it how to display the error as something other than "_". > - I also tried uploading a file with size around 30MiB onto a disk.img of > size 100MiB. The hanged > after writing 4Mb of data. > Any suggestion on how to deal with the above situations ? Was it spinning (high CPU load shown in "xl list") or waiting for something (idle)? If spinning, you can grab a stack trace to find out where: http://www.brendangregg.com/blog/2016-01-27/unikernel-profiling-from-dom0.html If it's waiting for something, annotate your main thread with MProf.Trace.should_resolve and compile with tracing on. When you view the trace, your thread (which never finishes) will be shown in red and you can follow the yellow arrows to discover what it was waiting for. See: https://mirage.io/wiki/profiling Both of these techniques may be useful for finding performance problems too. > Regards, > Vansh > > > On Thu, Feb 11, 2016 at 8:11 PM, Vanshdeep Singh wrote: >> >> Hi Thomas, >> I am chosen to implement the disk in FAT format. Drawing inspiration from >> your code I >> have tried to do disk writing operations but instead of V1_LWT.BLOCK I >> have chosen to >> go wo with V1_LWT.FS because for the api but the write performance I get >> is very poor. >> I takes more than 11 sec to upload a 67Kb file. The file is uploaded >> quickly but the time >> taken to write to disk is long hence they delay. >> >> Much of my implementation is similar to this code >> >> https://github.com/0install/0repo-queue/blob/master/upload_queue.ml#L159-L172 >> the difference comes in the flush_page_buffer . Since I am using V1_LWT.FS >> I use >> FS.write call to write the data to the disk i.e. >> >>> >>> buffered_data = Cstruct.sub page_buffer 0 !page_buffer_offset >>> >>> Fs.write fs path !file_offset buffered_data >> >> >> >> How can I improve the performance ? >> >> Note: I am testing this using --unix >> >> >> Regards, >> Vansh >> >> On Sun, Feb 7, 2016 at 11:28 PM, Thomas Leonard wrote: >>> >>> On 6 February 2016 at 20:48, Vanshdeep Singh wrote: >>> > Hi, >>> > I am trying to build a sample file storage web app and I am need some >>> > directions >>> > on how to approach it, particularly I am trying to figure out how to do >>> > storage. >>> > Currently, I am drawing my insight from here and here (irmin). Any kind >>> > of >>> > suggestion >>> > would be really helpful. >>> > >>> > NOTE: files of any size could be uploaded so I am aiming at streaming >>> > uploads/downloads. >>> >>> Hi Vansh, >>> >>> Currently, FAT is the only supported file-system on Mirage/Xen: >>> >>> https://github.com/mirage/ocaml-fat >>> >>> If your needs are simpler then you could also implement your own >>> scheme. The file queue example you linked just stores the files >>> sequentially on the disk, which is fine for a queue. >>> >>> If you want to help build something better (e.g. to support Irmin), >>> the ocaml-btree project is under development: >>> >>> >>> http://lists.xenproject.org/archives/html/mirageos-devel/2016-01/msg00059.html >>> >>> >>> -- >>> Dr Thomas Leonard http://roscidus.com/blog/ >>> GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA >> >> > -- Dr Thomas Leonard http://roscidus.com/blog/ GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Feb 12 22:05:55 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 12 Feb 2016 22:05:55 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aULqV-00026N-5h; Fri, 12 Feb 2016 22:05:47 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aULqT-00026A-RY for mirageos-devel@lists.xenproject.org; Fri, 12 Feb 2016 22:05:45 +0000 Received: from [85.158.139.211] by server-10.bemta-5.messagelabs.com id 90/72-17090-8375EB65; Fri, 12 Feb 2016 22:05:44 +0000 X-Env-Sender: sven@anderson.de X-Msg-Ref: server-11.tower-206.messagelabs.com!1455314743!9783747!1 X-Originating-IP: [46.38.236.172] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3322 invoked from network); 12 Feb 2016 22:05:43 -0000 Received: from vm1.a6n.de (HELO vm1.a6n.de) (46.38.236.172) by server-11.tower-206.messagelabs.com with DHE-RSA-AES128-SHA encrypted SMTP; 12 Feb 2016 22:05:43 -0000 Received: from ip5b402763.dynamic.kabel-deutschland.de ([91.64.39.99] helo=svens-mbp.fritz.box) by vm1.a6n.de with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1aULqQ-00019k-QB for mirageos-devel@lists.xenproject.org; Fri, 12 Feb 2016 23:05:42 +0100 From: Sven Anderson X-Pgp-Agent: GPGMail 2.6b2 Date: Fri, 12 Feb 2016 23:05:47 +0100 Message-Id: To: "mirageos-devel@lists.xenproject.org" Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3119\)) X-Mailer: Apple Mail (2.3119) Subject: [MirageOS-devel] REST-API framework X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6869167533226030805==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6869167533226030805== Content-Type: multipart/signed; boundary="Apple-Mail=_AC10F6EA-D889-4F2F-B19E-325BC352B5A3"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_AC10F6EA-D889-4F2F-B19E-325BC352B5A3 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Hi, I=E2=80=99d like to write a simple REST-API (the typical HTTP/json = stuff). Opium is not yet ready for mirage, and I=E2=80=99m not sure = about webmachine, neither if it=E2=80=99s ready for mirage, nor if it is = maybe overkill for a small API with 5 to 10 nodes. So I want to ask in = this list, what is the recommendation for implementing a REST API on = mirage today? Thanks in advance and best regards, Sven --Apple-Mail=_AC10F6EA-D889-4F2F-B19E-325BC352B5A3 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQEcBAEBCgAGBQJWvlc8AAoJEPSWg+jNI4FmOKsH/jbHZ7CUOIr65VY7u1TkwAqc pvYvXiKPcVIz192lHeY7Gi6XtwnysNZcp4482FvOYNg0/DSK2dcVgXxv2Ozah8i2 NoqrbDX/0W1nogGIT0osZfRR04lW1x5TPZpbiV7PWXbRuDxttiyJguUpY9xmJv6E JU6dD8rsdoM8L7t+okABco8nhqjHKBRhxlrlUnePo9cDMD/BrcMpBkFf/rBGZ5HP xec0QJqkMxpRX8z8s4g0s2Z+rm+QA4z6nPtW9f7F67yu4lO+YD1jbJygD9ns+w0g 2k04IdzD63/7vXrpdBDElp5gb4v8rPMqcoJkAA4bIoc/AqzBTcoex4DNcxCv/QQ= =c00c -----END PGP SIGNATURE----- --Apple-Mail=_AC10F6EA-D889-4F2F-B19E-325BC352B5A3-- --===============6869167533226030805== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6869167533226030805==-- From mirageos-devel-bounces@lists.xenproject.org Fri Feb 12 22:05:55 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 12 Feb 2016 22:05:55 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aULqV-00026N-5h; Fri, 12 Feb 2016 22:05:47 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aULqT-00026A-RY for mirageos-devel@lists.xenproject.org; Fri, 12 Feb 2016 22:05:45 +0000 Received: from [85.158.139.211] by server-10.bemta-5.messagelabs.com id 90/72-17090-8375EB65; Fri, 12 Feb 2016 22:05:44 +0000 X-Env-Sender: sven@anderson.de X-Msg-Ref: server-11.tower-206.messagelabs.com!1455314743!9783747!1 X-Originating-IP: [46.38.236.172] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3322 invoked from network); 12 Feb 2016 22:05:43 -0000 Received: from vm1.a6n.de (HELO vm1.a6n.de) (46.38.236.172) by server-11.tower-206.messagelabs.com with DHE-RSA-AES128-SHA encrypted SMTP; 12 Feb 2016 22:05:43 -0000 Received: from ip5b402763.dynamic.kabel-deutschland.de ([91.64.39.99] helo=svens-mbp.fritz.box) by vm1.a6n.de with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1aULqQ-00019k-QB for mirageos-devel@lists.xenproject.org; Fri, 12 Feb 2016 23:05:42 +0100 From: Sven Anderson X-Pgp-Agent: GPGMail 2.6b2 Date: Fri, 12 Feb 2016 23:05:47 +0100 Message-Id: To: "mirageos-devel@lists.xenproject.org" Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3119\)) X-Mailer: Apple Mail (2.3119) Subject: [MirageOS-devel] REST-API framework X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6869167533226030805==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6869167533226030805== Content-Type: multipart/signed; boundary="Apple-Mail=_AC10F6EA-D889-4F2F-B19E-325BC352B5A3"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_AC10F6EA-D889-4F2F-B19E-325BC352B5A3 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Hi, I=E2=80=99d like to write a simple REST-API (the typical HTTP/json = stuff). Opium is not yet ready for mirage, and I=E2=80=99m not sure = about webmachine, neither if it=E2=80=99s ready for mirage, nor if it is = maybe overkill for a small API with 5 to 10 nodes. So I want to ask in = this list, what is the recommendation for implementing a REST API on = mirage today? Thanks in advance and best regards, Sven --Apple-Mail=_AC10F6EA-D889-4F2F-B19E-325BC352B5A3 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQEcBAEBCgAGBQJWvlc8AAoJEPSWg+jNI4FmOKsH/jbHZ7CUOIr65VY7u1TkwAqc pvYvXiKPcVIz192lHeY7Gi6XtwnysNZcp4482FvOYNg0/DSK2dcVgXxv2Ozah8i2 NoqrbDX/0W1nogGIT0osZfRR04lW1x5TPZpbiV7PWXbRuDxttiyJguUpY9xmJv6E JU6dD8rsdoM8L7t+okABco8nhqjHKBRhxlrlUnePo9cDMD/BrcMpBkFf/rBGZ5HP xec0QJqkMxpRX8z8s4g0s2Z+rm+QA4z6nPtW9f7F67yu4lO+YD1jbJygD9ns+w0g 2k04IdzD63/7vXrpdBDElp5gb4v8rPMqcoJkAA4bIoc/AqzBTcoex4DNcxCv/QQ= =c00c -----END PGP SIGNATURE----- --Apple-Mail=_AC10F6EA-D889-4F2F-B19E-325BC352B5A3-- --===============6869167533226030805== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6869167533226030805==-- From mirageos-devel-bounces@lists.xenproject.org Fri Feb 12 22:18:56 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 12 Feb 2016 22:18:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aUM3C-0002qO-UE; Fri, 12 Feb 2016 22:18:54 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aUM3A-0002qB-TQ for mirageos-devel@lists.xenproject.org; Fri, 12 Feb 2016 22:18:53 +0000 Received: from [85.158.137.68] by server-6.bemta-3.messagelabs.com id 66/9C-08479-C4A5EB65; Fri, 12 Feb 2016 22:18:52 +0000 X-Env-Sender: seliopou@gmail.com X-Msg-Ref: server-11.tower-31.messagelabs.com!1455315531!21528646!1 X-Originating-IP: [209.85.215.54] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_30_40,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 60474 invoked from network); 12 Feb 2016 22:18:51 -0000 Received: from mail-lf0-f54.google.com (HELO mail-lf0-f54.google.com) (209.85.215.54) by server-11.tower-31.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 12 Feb 2016 22:18:51 -0000 Received: by mail-lf0-f54.google.com with SMTP id j78so60124196lfb.1 for ; Fri, 12 Feb 2016 14:18:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=DYmAMyD1LRVt9TmB9jKVlWnmUHbjq6xuxvTnAESGzRU=; b=Hvi5VUH/gezvjHeMKr755L6dfDRAlinJqtXuXhKNoJnW8TRTQsCMf40UWGXpgZ35ZO cvgt9H9ZPxzkS9SlHGKnO7A67nZOGZfSyzgzw/l2QAR9YvLr6rq1tGCgYyjcPf8qsvKu ZEt4nnwffr/D/adQ55fJzlvZmVT4lzPtZC+wwMtHNGRpfFEGeOXbj1QYcDaW1bZN6WiH gErrYoHaAUUVlnYF+n7b9zOtt7P0v29ikC/6p6eMtdrnoSjXDMjkyafPYTq4XqzKA8iu 5D/cb1X4t8Jbk3VWddYyFj8+EWOtn1hq+MUWxtJ4In0RyWnpe0WDbAwbmqnw/JQBIpTr n7Pg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-type; bh=DYmAMyD1LRVt9TmB9jKVlWnmUHbjq6xuxvTnAESGzRU=; b=ZLgB7NfAK1t2G8Do+AGPx5LC0mKlTvwK3lV+0MQGSmQNyvzGE+rFfKPRuGz10LKWY+ p4eegbiy5LMkwOj0WkPWYP4VWDXDhxZSlaQ4SNnuhbp8pBjAzxuocypdqHotraWzKxzF mMvNI2mUzJdNJqt0s4sWf/aSfMhlYhn3wrUNHd7PnOBAj1oxrM2o8bdW2i7npC8oAfIC t8hQsEdtpDD1JIpQ/C8qYl0MlGaA67Zp8NkCITVQMtBStyJBblYh0GmOcN5ABISBCVIb zKIQTCO6z8hQMYMQgm63X7tRrd4uyJfNPL32eHdmpOl9OvMR8q9CK4QXnthXdF8tMnq+ KNJw== X-Gm-Message-State: AG10YOQRYo/P8Rx4mphOWLFUMBJy03FF+GuudcuU5rweECrmtFLSJhA9E3ULU/+12Acfl7qiio3rhdPQJeYhlQ== X-Received: by 10.25.151.135 with SMTP id z129mr1498388lfd.122.1455315530766; Fri, 12 Feb 2016 14:18:50 -0800 (PST) MIME-Version: 1.0 Received: by 10.25.170.83 with HTTP; Fri, 12 Feb 2016 14:18:31 -0800 (PST) In-Reply-To: References: From: Spiros Eliopoulos Date: Fri, 12 Feb 2016 17:18:31 -0500 Message-ID: To: Sven Anderson Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] REST-API framework X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6886945091974376945==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6886945091974376945== Content-Type: multipart/alternative; boundary=001a114012a43f5e58052b9a0d57 --001a114012a43f5e58052b9a0d57 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Webmachine should work with mirage out of the box. Its only dependencies are cohttp, dispatch, and re, all of which should not pose a problem. Now, as to whether or not its overkill for your use-cases, I couldn't possibly comment on that. -Spiros E. On Fri, Feb 12, 2016 at 5:05 PM, Sven Anderson wrote: > Hi, > > I=E2=80=99d like to write a simple REST-API (the typical HTTP/json stuff)= . Opium > is not yet ready for mirage, and I=E2=80=99m not sure about webmachine, n= either if > it=E2=80=99s ready for mirage, nor if it is maybe overkill for a small AP= I with 5 > to 10 nodes. So I want to ask in this list, what is the recommendation fo= r > implementing a REST API on mirage today? > > Thanks in advance and best regards, > > Sven > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > --001a114012a43f5e58052b9a0d57 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Webmachine should work with mirage out of the box. Its onl= y dependencies are cohttp, dispatch, and re, all of which should not pose a= problem. Now, as to whether or not its overkill for your use-cases, I coul= dn't possibly comment on that.

-Spiros E.

On Fri, Feb 12, = 2016 at 5:05 PM, Sven Anderson <sven@anderson.de> wrote:
<= blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px= #ccc solid;padding-left:1ex">Hi,

I=E2=80=99d like to write a simple REST-API (the typical HTTP/json stuff). = Opium is not yet ready for mirage, and I=E2=80=99m not sure about webmachin= e, neither if it=E2=80=99s ready for mirage, nor if it is maybe overkill fo= r a small API with 5 to 10 nodes. So I want to ask in this list, what is th= e recommendation for implementing a REST API on mirage today?

Thanks in advance and best regards,

Sven


_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists= .xenproject.org
http://lists.xenproject.org/cgi-b= in/mailman/listinfo/mirageos-devel


--001a114012a43f5e58052b9a0d57-- --===============6886945091974376945== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6886945091974376945==-- From mirageos-devel-bounces@lists.xenproject.org Fri Feb 12 22:18:56 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 12 Feb 2016 22:18:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aUM3C-0002qO-UE; Fri, 12 Feb 2016 22:18:54 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aUM3A-0002qB-TQ for mirageos-devel@lists.xenproject.org; Fri, 12 Feb 2016 22:18:53 +0000 Received: from [85.158.137.68] by server-6.bemta-3.messagelabs.com id 66/9C-08479-C4A5EB65; Fri, 12 Feb 2016 22:18:52 +0000 X-Env-Sender: seliopou@gmail.com X-Msg-Ref: server-11.tower-31.messagelabs.com!1455315531!21528646!1 X-Originating-IP: [209.85.215.54] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_30_40,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 60474 invoked from network); 12 Feb 2016 22:18:51 -0000 Received: from mail-lf0-f54.google.com (HELO mail-lf0-f54.google.com) (209.85.215.54) by server-11.tower-31.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 12 Feb 2016 22:18:51 -0000 Received: by mail-lf0-f54.google.com with SMTP id j78so60124196lfb.1 for ; Fri, 12 Feb 2016 14:18:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=DYmAMyD1LRVt9TmB9jKVlWnmUHbjq6xuxvTnAESGzRU=; b=Hvi5VUH/gezvjHeMKr755L6dfDRAlinJqtXuXhKNoJnW8TRTQsCMf40UWGXpgZ35ZO cvgt9H9ZPxzkS9SlHGKnO7A67nZOGZfSyzgzw/l2QAR9YvLr6rq1tGCgYyjcPf8qsvKu ZEt4nnwffr/D/adQ55fJzlvZmVT4lzPtZC+wwMtHNGRpfFEGeOXbj1QYcDaW1bZN6WiH gErrYoHaAUUVlnYF+n7b9zOtt7P0v29ikC/6p6eMtdrnoSjXDMjkyafPYTq4XqzKA8iu 5D/cb1X4t8Jbk3VWddYyFj8+EWOtn1hq+MUWxtJ4In0RyWnpe0WDbAwbmqnw/JQBIpTr n7Pg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-type; bh=DYmAMyD1LRVt9TmB9jKVlWnmUHbjq6xuxvTnAESGzRU=; b=ZLgB7NfAK1t2G8Do+AGPx5LC0mKlTvwK3lV+0MQGSmQNyvzGE+rFfKPRuGz10LKWY+ p4eegbiy5LMkwOj0WkPWYP4VWDXDhxZSlaQ4SNnuhbp8pBjAzxuocypdqHotraWzKxzF mMvNI2mUzJdNJqt0s4sWf/aSfMhlYhn3wrUNHd7PnOBAj1oxrM2o8bdW2i7npC8oAfIC t8hQsEdtpDD1JIpQ/C8qYl0MlGaA67Zp8NkCITVQMtBStyJBblYh0GmOcN5ABISBCVIb zKIQTCO6z8hQMYMQgm63X7tRrd4uyJfNPL32eHdmpOl9OvMR8q9CK4QXnthXdF8tMnq+ KNJw== X-Gm-Message-State: AG10YOQRYo/P8Rx4mphOWLFUMBJy03FF+GuudcuU5rweECrmtFLSJhA9E3ULU/+12Acfl7qiio3rhdPQJeYhlQ== X-Received: by 10.25.151.135 with SMTP id z129mr1498388lfd.122.1455315530766; Fri, 12 Feb 2016 14:18:50 -0800 (PST) MIME-Version: 1.0 Received: by 10.25.170.83 with HTTP; Fri, 12 Feb 2016 14:18:31 -0800 (PST) In-Reply-To: References: From: Spiros Eliopoulos Date: Fri, 12 Feb 2016 17:18:31 -0500 Message-ID: To: Sven Anderson Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] REST-API framework X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6886945091974376945==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6886945091974376945== Content-Type: multipart/alternative; boundary=001a114012a43f5e58052b9a0d57 --001a114012a43f5e58052b9a0d57 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Webmachine should work with mirage out of the box. Its only dependencies are cohttp, dispatch, and re, all of which should not pose a problem. Now, as to whether or not its overkill for your use-cases, I couldn't possibly comment on that. -Spiros E. On Fri, Feb 12, 2016 at 5:05 PM, Sven Anderson wrote: > Hi, > > I=E2=80=99d like to write a simple REST-API (the typical HTTP/json stuff)= . Opium > is not yet ready for mirage, and I=E2=80=99m not sure about webmachine, n= either if > it=E2=80=99s ready for mirage, nor if it is maybe overkill for a small AP= I with 5 > to 10 nodes. So I want to ask in this list, what is the recommendation fo= r > implementing a REST API on mirage today? > > Thanks in advance and best regards, > > Sven > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > --001a114012a43f5e58052b9a0d57 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Webmachine should work with mirage out of the box. Its onl= y dependencies are cohttp, dispatch, and re, all of which should not pose a= problem. Now, as to whether or not its overkill for your use-cases, I coul= dn't possibly comment on that.

-Spiros E.

On Fri, Feb 12, = 2016 at 5:05 PM, Sven Anderson <sven@anderson.de> wrote:
<= blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px= #ccc solid;padding-left:1ex">Hi,

I=E2=80=99d like to write a simple REST-API (the typical HTTP/json stuff). = Opium is not yet ready for mirage, and I=E2=80=99m not sure about webmachin= e, neither if it=E2=80=99s ready for mirage, nor if it is maybe overkill fo= r a small API with 5 to 10 nodes. So I want to ask in this list, what is th= e recommendation for implementing a REST API on mirage today?

Thanks in advance and best regards,

Sven


_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists= .xenproject.org
http://lists.xenproject.org/cgi-b= in/mailman/listinfo/mirageos-devel


--001a114012a43f5e58052b9a0d57-- --===============6886945091974376945== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6886945091974376945==-- From mirageos-devel-bounces@lists.xenproject.org Fri Feb 12 22:31:53 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 12 Feb 2016 22:31:53 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aUMFi-0003T2-C6; Fri, 12 Feb 2016 22:31:50 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aUMFh-0003Sx-D9 for mirageos-devel@lists.xenproject.org; Fri, 12 Feb 2016 22:31:49 +0000 Received: from [85.158.137.68] by server-12.bemta-3.messagelabs.com id 63/E7-06010-45D5EB65; Fri, 12 Feb 2016 22:31:48 +0000 X-Env-Sender: sven@anderson.de X-Msg-Ref: server-2.tower-31.messagelabs.com!1455316307!22083046!1 X-Originating-IP: [46.38.236.172] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3231 invoked from network); 12 Feb 2016 22:31:47 -0000 Received: from vm1.a6n.de (HELO vm1.a6n.de) (46.38.236.172) by server-2.tower-31.messagelabs.com with DHE-RSA-AES128-SHA encrypted SMTP; 12 Feb 2016 22:31:47 -0000 Received: from ip5b402763.dynamic.kabel-deutschland.de ([91.64.39.99] helo=svens-mbp.fritz.box) by vm1.a6n.de with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1aUMFe-0001Ch-UZ; Fri, 12 Feb 2016 23:31:46 +0100 Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3119\)) X-Pgp-Agent: GPGMail 2.6b2 From: Sven Anderson In-Reply-To: Date: Fri, 12 Feb 2016 23:31:45 +0100 Message-Id: <87E392AC-F1E1-4E87-9AF9-2281D8FB6E84@anderson.de> References: To: Spiros Eliopoulos X-Mailer: Apple Mail (2.3119) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] REST-API framework X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3361653845423192732==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============3361653845423192732== Content-Type: multipart/signed; boundary="Apple-Mail=_DE9373DB-59F9-45ED-AEAB-57F466F4A540"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_DE9373DB-59F9-45ED-AEAB-57F466F4A540 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Dear Spiros, > Am 12.02.2016 um 23:18 schrieb Spiros Eliopoulos : >=20 > Webmachine should work with mirage out of the box. Its only = dependencies are cohttp, dispatch, and re, all of which should not pose = a problem. Now, as to whether or not its overkill for your use-cases, I = couldn=E2=80=99t possibly comment on that. Thank you a lot for the quick reply! Yesterday I tried to install webmachine from OPAM, and I had to pin = dispatch to version 0.2.0, because 0.3.0 requires ppx, which is not = available for ocaml 4.01.0. However, when I wanted to install the = example from the git repository, it failed because of a dependency on = dispatch >=3D 0.3.0. If you have some sample code that works within mirage, that would be = extremely helpful for me as a ocaml newbie. Thanks again, Sven --Apple-Mail=_DE9373DB-59F9-45ED-AEAB-57F466F4A540 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQEcBAEBCgAGBQJWvl1SAAoJEPSWg+jNI4FmUegIAMFt2V3XKB66u3wrjAeVuQlp +7XvQu7z+DqMVb27oMR4zbn99Fz19z8Vwcrx2mKZqysrQ5teC9G3rUiLvwdSs4LM MZ0KuBY1PQw/lL+6Ymh+qLyUZ+CiTbabivbC6gyXHsRhZl6VgIaxX5cxtZ99mdh1 YTZmygOejONq5z6rMbqRU4auDURNcSv8W8hJ71bS4Ho2NN+Klh7OTuaPsXaQX56d 2CRQKxg8qjKG69u0+KAa0cX70lwXtxmQXkCFZpmKjxWsAg0vf+e+XJWovisJdNwl a8Olr8jCzLMQxcYoPbiClV9jeP0PFbjksbyVh4fG2hGUJQSbPOQ64XoSIZ3rqUU= =cW7a -----END PGP SIGNATURE----- --Apple-Mail=_DE9373DB-59F9-45ED-AEAB-57F466F4A540-- --===============3361653845423192732== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============3361653845423192732==-- From mirageos-devel-bounces@lists.xenproject.org Fri Feb 12 22:31:53 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 12 Feb 2016 22:31:53 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aUMFi-0003T2-C6; Fri, 12 Feb 2016 22:31:50 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aUMFh-0003Sx-D9 for mirageos-devel@lists.xenproject.org; Fri, 12 Feb 2016 22:31:49 +0000 Received: from [85.158.137.68] by server-12.bemta-3.messagelabs.com id 63/E7-06010-45D5EB65; Fri, 12 Feb 2016 22:31:48 +0000 X-Env-Sender: sven@anderson.de X-Msg-Ref: server-2.tower-31.messagelabs.com!1455316307!22083046!1 X-Originating-IP: [46.38.236.172] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3231 invoked from network); 12 Feb 2016 22:31:47 -0000 Received: from vm1.a6n.de (HELO vm1.a6n.de) (46.38.236.172) by server-2.tower-31.messagelabs.com with DHE-RSA-AES128-SHA encrypted SMTP; 12 Feb 2016 22:31:47 -0000 Received: from ip5b402763.dynamic.kabel-deutschland.de ([91.64.39.99] helo=svens-mbp.fritz.box) by vm1.a6n.de with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1aUMFe-0001Ch-UZ; Fri, 12 Feb 2016 23:31:46 +0100 Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3119\)) X-Pgp-Agent: GPGMail 2.6b2 From: Sven Anderson In-Reply-To: Date: Fri, 12 Feb 2016 23:31:45 +0100 Message-Id: <87E392AC-F1E1-4E87-9AF9-2281D8FB6E84@anderson.de> References: To: Spiros Eliopoulos X-Mailer: Apple Mail (2.3119) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] REST-API framework X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3361653845423192732==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============3361653845423192732== Content-Type: multipart/signed; boundary="Apple-Mail=_DE9373DB-59F9-45ED-AEAB-57F466F4A540"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_DE9373DB-59F9-45ED-AEAB-57F466F4A540 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Dear Spiros, > Am 12.02.2016 um 23:18 schrieb Spiros Eliopoulos : >=20 > Webmachine should work with mirage out of the box. Its only = dependencies are cohttp, dispatch, and re, all of which should not pose = a problem. Now, as to whether or not its overkill for your use-cases, I = couldn=E2=80=99t possibly comment on that. Thank you a lot for the quick reply! Yesterday I tried to install webmachine from OPAM, and I had to pin = dispatch to version 0.2.0, because 0.3.0 requires ppx, which is not = available for ocaml 4.01.0. However, when I wanted to install the = example from the git repository, it failed because of a dependency on = dispatch >=3D 0.3.0. If you have some sample code that works within mirage, that would be = extremely helpful for me as a ocaml newbie. Thanks again, Sven --Apple-Mail=_DE9373DB-59F9-45ED-AEAB-57F466F4A540 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQEcBAEBCgAGBQJWvl1SAAoJEPSWg+jNI4FmUegIAMFt2V3XKB66u3wrjAeVuQlp +7XvQu7z+DqMVb27oMR4zbn99Fz19z8Vwcrx2mKZqysrQ5teC9G3rUiLvwdSs4LM MZ0KuBY1PQw/lL+6Ymh+qLyUZ+CiTbabivbC6gyXHsRhZl6VgIaxX5cxtZ99mdh1 YTZmygOejONq5z6rMbqRU4auDURNcSv8W8hJ71bS4Ho2NN+Klh7OTuaPsXaQX56d 2CRQKxg8qjKG69u0+KAa0cX70lwXtxmQXkCFZpmKjxWsAg0vf+e+XJWovisJdNwl a8Olr8jCzLMQxcYoPbiClV9jeP0PFbjksbyVh4fG2hGUJQSbPOQ64XoSIZ3rqUU= =cW7a -----END PGP SIGNATURE----- --Apple-Mail=_DE9373DB-59F9-45ED-AEAB-57F466F4A540-- --===============3361653845423192732== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============3361653845423192732==-- From mirageos-devel-bounces@lists.xenproject.org Fri Feb 12 22:33:43 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 12 Feb 2016 22:33:43 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aUMHW-0003aV-OV; 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Fri, 12 Feb 2016 14:33:35 -0800 (PST) Received: from Rudis-MacBook-Pro.local ([66.49.188.43]) by smtp.gmail.com with ESMTPSA id jh4sm1786419igb.13.2016.02.12.14.33.34 (version=TLSv1/SSLv3 cipher=OTHER); Fri, 12 Feb 2016 14:33:34 -0800 (PST) Date: Fri, 12 Feb 2016 17:33:37 -0500 From: rudi.grinberg@gmail.com To: Sven Anderson , Spiros Eliopoulos Message-ID: In-Reply-To: <87E392AC-F1E1-4E87-9AF9-2281D8FB6E84@anderson.de> References: <87E392AC-F1E1-4E87-9AF9-2281D8FB6E84@anderson.de> X-Mailer: Airmail Beta (350) MIME-Version: 1.0 Cc: "=?utf-8?Q?mirageos-devel=40lists.xenproject.org?=" Subject: Re: [MirageOS-devel] REST-API framework X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============8708139000878603309==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============8708139000878603309== Content-Type: multipart/alternative; boundary="56be5dc1_437af535_30c7" --56be5dc1_437af535_30c7 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Hi Sven, you should probably install ocaml 4.02.3 from opam. On =46ebruary 12, 2016 at 5:32:39 PM, Sven Anderson (sven=40anderson.de) = wrote: Dear Spiros, =20 > Am 12.02.2016 um 23:18 schrieb Spiros Eliopoulos = : =20 > =20 > Webmachine should work with mirage out of the box. Its only dependencie= s are cohttp, dispatch, and re, all of which should not pose a problem. N= ow, as to whether or not its overkill for your use-cases, I couldn=E2=80=99= t possibly comment on that. =20 Thank you a lot for the quick reply=21 =20 Yesterday I tried to install webmachine from OPAM, and I had to pin dispa= tch to version 0.2.0, because 0.3.0 requires ppx, which is not available = for ocaml 4.01.0. However, when I wanted to install the example from the = git repository, it failed because of a dependency on dispatch >=3D 0.3.0.= =20 If you have some sample code that works within mirage, that would be extr= emely helpful for me as a ocaml newbie. =20 Thanks again, =20 Sven =20 =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F =20 MirageOS-devel mailing list =20 MirageOS-devel=40lists.xenproject.org =20 http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel =20 --56be5dc1_437af535_30c7 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline